Simple construction, reliable performance. The product can output a stable and reliable switch control signal of high or low voltage. The reserve tank can be moved when installing this model. Sturdy and maintenance-free. The product can be used for a long time after installation. Almost no maintenance or repair issues occur during its operation. Easy installation and convenient adjustment. The liquid level control prism can be adjusted freely by moving the locating piece up and down. Just mount it in place for installation. Application: Water fountain, water dispenser, water cooler, air cooler, dehumidifier, coffee machine, coffee maker, water heater, water boiler, hydroponic system, air conditioner, humidifier, bathroom equipment, vending machine, oil tank, chemical liquid level control. Widely used in motor vehicles, industrial equipment, agricultural equipment, and household appliances. Terminal Model: ZH1.5 - 3PIN White Supply voltage: 3.3V Due to different batches, there may be differences in product appearance and printed text, which do not affect use. Color: As shown Material: ABS Package Contents: 2 x Water level sensor Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual item. Measurement error allowed is +/- 1-3 cm.