Bộ cảm biến báo động rò rỉ nước 120db bằng nhựa ABS

【OMO】Water Leakage Alarm Detector 120dB Water Leak Sensor Flood Alert Overflow AlarmFeatures Place the Leak Alarm in any potential flood spot - next to bathrooms, basements, kitchens, boats, garages or etc. When the Leak Alarm detects even a small water leak, it sounds a very loud alarm and lets you know that you have a problem that needs your immediate attention. Automatic operation. Once its three contactors touch water, it will sound immediately with 120dB loud alarm; No buttons, no programming, just place it where you want to check water leakage; Requires a 9-volt alkaline battery(not included)，and normally a new battery can last for 1 year; Use by water heater, sink cabinet, sump pump, washing machine, radiators and more; Made of durable ABS Plastics. It is specially designed to float in flood circumstances. Specifications: Material: ABS Plastic Color: White Cable lenth: 1 meter Working voltage: 9v Battery: 9V Alkaline Battery (not included) Package include 1 x Water Leak Alarm(Not included Battery) Notice: 1)Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. 2)Please allow 1-3CM differs due to manual measurement. 3)Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.