Features Special microprocessor for ultra-low power consumption flood detection alarm; Wireless transmission frequency 433.92 Wireless transmission distance 200m; Built-in antenna design, beautiful and delicate; Quiescent current1A; Product parameters Working voltage: 12V (23A battery); Transmission frequency: 433.92MHZ launch protocol: 1527; Quiescent current: 5A; Emission current: 10mA; Working environment: -10-50 (14-122 Delivery Quantity: 1 Piece Product color: white Features: 433 water leakage detector (433 water leakage detector, can be used with RF bridge 433, APP alarm after the water level exceeds the standard, through the scene can also set the alarm to link other easy micro-connection switches) *Note that it cannot be used alone Quantity delivered: 1 piece (without battery) Product color: white