Features [3 metal tines and ABS] The basement water sensor alarm with 3 metal tines embedded into the ground is made of ABS material and electronic components, is waterproof and can float on the water to detect leaks. [100 dB alarm sound] The alarm of the leakage detector has a high alarm sound of 100 dB, which can be heard throughout the house, even if the leak occurs in the basement, garage or wine cellar. Detected and alarmed: Once water is detected, the alarm of the water detector sensor sounds to alert you to leaks and avoid flooding. [Size] The water leak alarm sensor for private households with a diameter of 3.15 inches and a height of 1.18 inches can be easily placed anywhere. Easy to place: the WiFi water leak alarm can be easily placed anywhere, e.g. in the basement, in the bathroom, under the sink or near the water heater. Specification: Item Type: Intelligent Water Leak Alarm Material: ABS Battery: CR123A battery x 1 (battery not included). Wi-Fi: 802.11b g n Static current: ≤20μA. Alarm current: ≤ 125 mA. Low power undervoltage: ≤2.6V Package list: 1 x alarm. 1 x user manual. 1 x Wi-Fi Reset Pin Package List 1 x Alarm 1 x Instruction Manual 1 x WiFi Reset Pin