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Best Choice DIGISHUO 
DIGISHUO 2pcs 5V 1 Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (2Pcs 5V 1 Channel Relay The module uses genuine quality relay, normally open interfacesLEVANLIGHTING 
LEVANLIGHTING 2pcs 5V 1 Channel Relay Module|Relay Switch with OPTO Isolated High and Low Level Trigger The module adopts genuine relays and normally open interfaces. Maximum load: AC 250V/10A、DC 30V/10A.
12V/24V 40A/80 AMP Automotive Car Truck 4/5 Pin Changeover Relay Switch (1x Automotive Changeover Relay(without fixing bracket or with bracket as your choosing ). 1) 40A/80A Switching Current,DIANN 
DIANN 10pcs DC 5V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger Relay Board Maximum Load: AC 250V/10A; DC 30V/10A With Power and Relay Action Indicator;Trigger Current: 5mA
6 Pack 4-Pin 12V Fused Relay Switch Kit Automotive Relays with Fuse for Auto Car Built in fuse socket with included 30A blade fuse. 30A High Switching Capability. Set includes 6 relays, 6 relay harnessMURANCLOUD 
DC 12V 40A Relay Remote Control Switch, 1CH Universal 433Mhz Remote Control Wireless Latching Function Switch for Indust Working Voltage: DC12 V ; Max load current: 40 A ; Working frequency: 433 MhzBest Value meross 
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TyYIQFOCA 5 Set 3V 1 Channel Relay Power Switch Board, High Level Driver Optocoupler Module Isolated Drive Control Board for ESP82 You will recevie 5Pcs 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.5pcs * 2.5 mm12V 40A Automotive Relay Switch 4 Pin Changeover For Car Truck - JD1912 Wakects Heavy Duty Car Starter Relay DC 12V 100A Normal Open Car Relay Electrical Relays Switch - Dustproof Design & 4-pin Relay 【Efficient Battery Control】: The 12V 100A Normal Open Heavy Duty Car Starter Relay offers reliable control over your bat6 Pack 4-Pin 12V Fused Relay Switch Kit Automotive Relays with Fuse for Auto Car Built in fuse socket with included 30A blade fuse. 30A High Switching Capability. Set includes 6 relays, 6 relay harnesselechawk RC Remote Controlled AUX on/Off Electronic Switch Relay for Car Truck Boat LED Light Drone (8A) Package include a RC switch and JST male and female cables. 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Press It Once To TurGlarks Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine ★ Package: Including 10 pack 5-Pin SPDT(Single Pole Double Throw) Electrical Relays Switch packed in a plastic box.6-30V Time Relay Module Switch Trigger Timer Cycle Trigger Source : High-level trigger (3.0V-24V) with optocoupler isolation for enhanced anti-jamming; supports non-commonMURANCLOUD DC 12V Universal Wireless Remote Control Switch 433Mhz 2CH 10A Relay Receiver Module with 2 Channel Remote Transmitter D Working Voltage: DC12 V; Max load current: 40 A; Working frequency: 433 MhzBattery Switch Relay 500A Remote Control Battery Quick Cut Off Isolator Switch ※Enhanced Battery Protection: Ensure the longevity of your car battery by using the master kill cut-off switch isolator,ANXYULEN Car Relay with Harness, 5 Pin 80A 12V On/Off Normally Open SPST Relay Socket Plug, Model JD2912-1Z-12VDC 80A 14VDC, Auto 【Premium Quality】Car relay with harness is made of high-quality metal and plastic material. 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(100AMP) SEE PHOTO. NEW HEAVY DUTY Saikoolwer aikoolwer Automotive Relay Switch Harness Kit 24V 40A SPDT 5 Pin Waterproof Heavy Duty Tinned Copper Wires Bosch Style C 24V 40A SPDT Relays - Composite housing with silver-alloy contacts and copper coils12V 240A Remote Car Battery Disconnect Relay Master Kill Cut-off Switch Isolator Rated Current: 240A. It can maximize the storage of car battery power, effectively protecting and extending lifespan. TyNilight Nilight 120A Starter Relay 4 Pin Split Relays Switch 12V Continuous Heavy Duty SPST High Current 4 Terminal Car Starter Type: 4Pin Relay, 12VDC (14V Max) , SPST (Single Pole Single Throw) Relay with 200A High Switching Capability. Perfect faikoolwer aikoolwer 2pcs DC 12V 100A Car Starter Relay Switch 2 Pin Terminals Car Power Relay Battery Cut-Off Relay Peak Load Auto What You Get:You will receive 2 pcs heavy duty 4-pin SPST relay and the accessory terminals included.12V DC switch relayGeneric DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger Fault-tolerant design, even if the control line is broken, the relay will not move.10% Off Tiiyee DC 12V Timer Module, Timer Switch Module Adjustable Timer Delay Turn Off Module Timing Relay Time Switch for Timer Opera [Delay Relay]: Turn on the power of the module, press the button once, and the relay is connected (normally open and comMURANCLOUD DC 12V Wireless Remote Control Switch 433Mhz 30A 12V Relay DC 24V 36V 48V Wireless Switch in Household and Industrial Fi EasyTo Use: Remote control and receiver are paired and tested before shipment, when you get it don't need to do anythingSpacesea Spacesea 12V 100Amp 4-Pin Heavy Duty ON/OFF Switch Split Charge Relay For Auto Boat Van Black Heavy-Duty Performance: Our 12V 100Amp 4-Pin ON/Off Switch Split Charge Relay is designed to handle power demanding applYRANZO 12V Starter Relay Solenoid Switch for OMC for Mercury for Sierra Marine for Johnson Evinrude Outboard 18-5808 3217124 38 Fits: For MERCURY MARINE: 47886 47886T For OMC OUTBOARD MARINE: 383622 395419 582708 586180 For SIERRA MARINE: 18-5808MHCOZY MHCOZY 4 Channel Smart WiFi RF Bluetooth Wireless Dry Contact Relay Switch Module,Phone app Remote Control,Compatible wi Bluetooth WIFI Gate opener Relay,Smart life tuya app wifi remote& 433Mhz RF&Bluetooth remote 4 Channel Smart Relay.EasyMHCOZY MHCOZY 1 Channel 12V ZigBee Smart Relay Switch, Adjustable Selflock and Inching Mode, Works with Tuya eWelink Zigbee Gat Widely compatible – supports Alexa and SmartThings Hub and works with Echo Plus 2. 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It can be configured for either delay beforeLT Easiyl LT Easiyl 1PC High Voltage 1CH PWM RC Aircraft Remote Control Signal Relay 5-12V Switch RC DIY Modelling Navigation Ligh Versatile Control for Remote Systems: The relay switch is designed for high-pressure PWM remote control applications, maBiafiog Biafiog Mini Smart WiFi Relay Switch, DIY Light Switch Module Smart Life/Tuya Application, Wireless Remote Control Timetable function: set the and countdown to create a scene. You can set the schedule to automatically turn on/off lightEjoyous Ejoyous DC 12V 80A 5 Pin Relay, Car AMP Split Charge Relay Electrical Relays Switch for Automotive Truck Boat Marine [Heavy Duty on off Relay] Engineered for heavy duty performance this make or break relay is ideal for high current appliMHCOZY MHCOZY 4CH WiFi RF Wireless Switch Relay,Inching Self-Locking Interlock Mode,for Access Control Smart Garage Door,Compat Easy to setup,4CH WIFI Wireless Smart Switch,working power DC 5V or AC/DC 7-32,support 2.4G wifi onlyShelly Shelly 1 Gen4 WLAN Smart Relay Switch, Potential-Free Contact, 1 Channel, 16 A, Light Switch, Garage Door Opener, Smart 1-cane power supply: supports up to 16 A at 240 V AC or 10 A at 30 V DC; fits behind wall switches or in junction boxesShelly Shelly 1 Mini Gen3 | WiFi & Bluetooth Smart Switch Relay 1 Channel 8A | Home Automation | Compatible with Alexa & Google Shelly 1 Mini Gen3 is a WiFi & Bluetooth smart switch relay, 1 channel 8 A Equipped with a new processor & increased flaFoxAlien FoxAlien Relay Module Relay Switch for CNC Router Machines, Routers and Dust Collector Connecting (AU Plug) 【Exclusive Design for CNC】This relay module is exclusively designed for FoxAlien CNC machine and add-on parts controllinVGOL VGOL 2pcs DC5-36V Multi Function Delay Relay Module Dual MOS Trigger Digital LED Relay Board Cycle Delay Switch Timer De Trigger signal source: High-level trigger (DC 3.0V-24V). 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You can request AmazonAribrnten Aribrnten 4CH Tuya Zigbee Smart Switch Module 85-250V Relay Smart Home Remote Control Works with Gateway for Home Replac This product is a wireless switch that supports inching/self-locking mode/interlocking mode. Users can add devices to ZiDpofirs 6 Channel Wireless Remote Control 433MHz 12V Transmitter and Receiver Relay Switch Kit for Lighting Control, Smart Home MULTIPLE CONTROL: The controller adopts the independent programming of single chip microcomputer to realize functional dEujgoov Adjustable Digital Timer Relay Switch with LED Display 5V to 36V DC Trigger Delay Module With sleep mode: no noise occurred during power on/off, no sparks or electromagnetic interference. 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Communication protocol: Supports standard Modbus RTU protocolOVAQUIXI OVAQUIXI DC 36V USB Control Switch Relay Module Easy-to-Use PC Relay Module Expansion Board for Precise Computer Control [PLUG-AND-PLAY DESIGN] Enjoy a hassle- setup with the onboard control chip for easy use and convenience.NOYITO NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB) NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It canRakstore Rakstore XY-WJ01 DC12V LED Digital Timer Relay Delay Switch Module Programmable Timer Relay Control Switch Timing Trigge Timing range: 0.01 sec~9999 min continuously adjustableCHENBO 2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board for Arduino Maximum load: AC 250V/10A, DC30V/10AFafeicy PWM Driver Module 4 Wire PCB Wide Voltage Temperature Controller Relay Switch Board with Probe 12V for PC Fan Alarms SPECIFICATION: The working temperature of this temperature detection control module is in ‑25℃‑85℃, the working humidityMllepjdh 12V 24V 110-220V 1 Channel Time Controller Delay Countdown Timer on Off Switches Relays LED Digital Time Delay Module Mi Perfect for scheduling lighting systems, irrigation controls, or HVAC units in residential/commercial spaces, ensuring sOumij Oumij 8-Channel 12V Computer USB Intelligent Control Switch Relay Module Free Driver USB Control Switch PC Intelligent C Square USB interface for stable connection. 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On-board and stable ESP32-WROOM-32E module, capacity 4M Flash;Reland Sun 12V 24V Digital Led Automation Delay Timer Control Switch Relay Module Display (24V) Voltage: Voltage DC 12V / 24V (optional) Inputs and outputs are opto-isolated, enhanced anti-jamming capabilityCHUSHEN WiFi Switch Module,Zigbee 3.0 Mini Smart Relay WiFi Switch 1 Way DIY Smart Light Switch Module Smart Life App Compatible 🥁 【Mini Body】Designed mini body, which suits for most of amounting boxes, switches and wall sockets.ACAGALA ACAGALA 12V LED Automation Delay Timer Control Switch Relay Module with Case New upgrades to simplify, meeting the users' needs.38% Off MAKER MEDIA INC Encyclopedia of Electronic Components: Resistors, Capacitors, Inductors, Semiconductors, Electromagnetism: 1: Resistors, BIGTEDDY 3X 12V DC Adjustable Timer Switch Module Time Delay Relay NE555 - Stock 100% Brand new and high qualityDZS Elec DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Co Can adjust 0-24 seconds delay time with potentiometer, which is convenient to complete.