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 15m/49ft 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 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 Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!