SONOFF® DW1 433Mhz Door Window Sensor Compatible With RF Bridge For Smart Home Alarm Security

Features: Ultra-low power magnetic dedicated microprocessor Supports wireless frequency of 433.92MHz 200m wireless transmit distance Built-in antenna provided Less than 1A quiescent current Specifications: Support Battery: 12V 23A Wireless frequency: 433.92MHz Protocol: EV1527 Quiescent current: 5A Emission current: 10mA Operating environment: -10-50 (14-122) Product Size: 77*49.5*18.8mm Battery: length 27mm, diameter 10mm, this model doesn't come with battery Weight: 45g Package included: 1 x SONOFF DW1 433Mhz Door Window Sensor