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Best Choice Fafeicy 
Fafeicy Liquid Level Transmitter TL-136 Liquid Level Transmitter Water Sensor Detector 12-32VDC 4-20mA Signal Output for Input level transmitter: High precision diffusion of silicon, more accurate monitoring of water level.EPTTECH 
EPTTECH TLC2206 Tuya Smart Life Mobile APP Wireless WiFi Remote Ultrasonic Real-time Reminder Contactless Outdoor Waterp LONG MEASURING DISTANCE: 10cm to 3.0m(4 to 118 inches) from the sensor, which is suitable for different tanks.Jectse 
4-20mA Liquid Level Sensor，12-32VDC Output Liquid Level Detector,Liquid Level Transmitter,for Water, Oil, Etc (Range 0-3 Input level transmitter, high diffusion of silicon, more accurate monitoring of water level.Best Value Sorandy 
Liquid Level Sensor 4-20mA, Water Level Transmitter 12-32V DC 5m Cable, 304 Stainless Steel Level Transducer Detector, I 【Accurate Monitoring】Input water level transmitter and high accuracy diffusion silicon for more accurate level monitorinFdit 
Float Switch Liquid Level Sensor Water Feed Auto Controller, Liquid Level Float Switch for for Drainage & Supply Systems Safe Construction: Crafted from ABS material, this float switch is safe and sturdy, and designed for long-term use in vaSorandy 
Liquid Level Sensor 4-20mA, Water Level Transmitter 12-32V DC 5m Cable, 304 Stainless Steel Level Transducer Detector, I 【Accurate Monitoring】Input water level transmitter and high accuracy diffusion silicon for more accurate level monitorinSorandy 
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