1、The detector will send a signal to the alarm host, and the alarm host will send a text message and make a call notification. 2、High stability sensor, superior performance and fast response. 3、Protect your home and valuables from annoying leaks and dangerous floods. 4、This 433 wireless water detector can not use alone, must work with 433MHz alarm host. 5、Easy installation and usage, suitable for warehouse, kitchen, bathroom, balcony, etc. Features: The detector will send a signal to the alarm host, and the alarm host will send a text message and make a call notification. High stability sensor, superior performance and fast response. Protect your home and valuables from annoying leaks and dangerous floods. This 433 wireless water detector can not use alone, must work with 433MHz alarm host. Powered by one 12V 23A battery (not included), convenient to use. Easy installation and usage, suitable for warehouse, kitchen, bathroom, balcony, etc. Specification: Condition: 100% Brand New Material: ABS Color: White Modulation method: ASK Launch mode: 433 Power: One 12V 23A battery (battery not included in the package) Coding method: 1527 million group code Power supply mode: 12V 23A Quiescent current: 10uA Working current: 15mA Wireless distance: 100 meters (open space) Working temperature: -20 ~ 60℃ Scope: warehouse, kitchen, bathroom, balcony, etc. Package List: 1 * Water Leakage Detector 1 * Sticker Note: Only can work with alarm system