ITEM NAME:Infrared Optical Liquid Water Level Sensor Transmitter Detector Module Description: - Infrared Optical Principle: the level sensor converts the detected water level signal to electrical output for easy judgement. - Compact design and waterproof, cylindrical shape to facilitate drilling installation. - Multi installation forms, it can be set up in any direction. - Superior in precision ,admissible error is within + 0.5mm . - Easy to clean up,long lifespan Specification: - Working voltage : DC 5V [can be changed to 12V/24V for special requirements] - Working current :