"High Water Level Alarm is designed to detect and alarm once the water level reaches the sensor probe, and silence the alarm once the water level drops below the sensor probe.Features:High water level alarm allows you to know when the water level reaches the sensor so that you can take timely measures.Two stainless steel probes which are attached to 10m cables can be positioned at a desired point for liquid detection.Equipped with a silencer switch so the audible alarm can be silenced whenever necessary.Operates on 220VAC, rugged housing, requires little maintenance.Can be applied to tap water/well/river/sea/sewage and other common liquid, as well as purified water/air conditioning water/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 220VCable Length: 15m / 49ftAlarm: 90dBItem Size: 117 * 89 * 225mm /?4.6 *?3.5 * 8.851inItem Weight: 909g / 32.06ozPackage Weight: 1152g / 40.63ozPackage Size: 26 * 18.5 * 19.5cm / 10.23 * 7.28 * 7.67inPacking List:1 * Water Level Alarm"