Description: Features: 120dB loud alarm voice, keeps alarm to notice you or neighbors until the water dry or sensor turn off.High sensitive 24k plating detect board.37.8 inches(96cm) cable, easy extend by user, detect water anywhere cornerDouble side tape for easy install anywhere.Supply by 9V battery (not include), power save technology for more than 12 months battery working time.Application: Fish tank, solar water heater, pool, bathroom, kitchen and so on.Specifications: Item Type: Water Leak AlarmModel: sd-1Material: ABSColor: WhiteSize: 98×46×22mm/3.86×1.81×0.87in (Approx.)Voice: ≥ 120dBPower supply: 9V alkaline battery (not include), normally work 6 months to 12 monthsQuantity: 1 Set (other accessories demo in the picture is not included)Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes: 1 X Water Leak Alarm Detector (Battery is not included)1 X Double-Sides Tape (No retail package)