Features GOOD PERFORMANCE: This water level alarm has the advantages of simple structure, convenient installation, reliable performance and good stability. OPERATION PRINCIPLE: When the water tank level is lower than the sensor probe, the sensor emits a switch signal to achieve low water level alarm and turn off. APPLICABLE SCOPE: Designed for diesel generator sets, also suitable for other non-corrosive liquids with water-like resistivity, to meet more usage needs. WORKING MODE: The liquid level sensor adopts normally open working mode, triode open collector output and the maximum output current is 100mA. EASY INSTALLATION: The sensor has standard connector, M14 thread installation and is equipped with accessories, making it easy to install and operate. Specification: Item Type: Water Level Sensor Installation thread: M14 Working Mode: Normally Open Working Voltage: 5-35VDC Output mode: Triodo Open Collector (OC) Maximum output current: 100mA Maximum output end operating voltage: 35 VDC Package List: 1 x Water Level Sensor 6 x Accessories Package List 1 x Water Level Sensor 6 x Accessories