High Water Level Alarm is designed to detect and alert when the water level reaches the sensor probe, and will silence the alarm once the water level drops below the sensor probe. Features: The high water level alarm notifies you when the water level hits the sensor, enabling you to take prompt action. Two stainless steel probes attached to 15m/49ft cables can be placed at your preferred location for liquid detection. Includes a silencer switch to mute the audible alarm whenever necessary. Operates on 220VAC, features a robust housing, and requires minimal maintenance. Suitable for various liquids including tap water, well water, river water, seawater, sewage, as well as purified water, air conditioning water, and distilled water. Specifications: Material: ABS + Stainless Steel Model: Low Water Alarm without Mount / Low Water Alarm with Mount / High Water Alarm without Mount / High Water Alarm with Mount / High & Low Water Alarm with Mount / High & Low Water Alarm with Mount and Adjustable Volume (Optional) Voltage: AC 220V Cable Length: 15m / 49ft Alarm: 90dB Item Size: 20 * 21 * 9.7cm /7.87 *8.26 * 3.81in Item Weight: 973g / 34.32oz Package Weight: 1346g / 47.47oz Package Size: 29.5 * 25.4 * 19.5cm / 11.61 * 10 * 7.67in Packing List: 1 * Water Level Alarm