ITEM NAME:433MHZ Wireless Window Door Security Smart Space Sensor for Our PG103 Home S1S1 433MHZ Wireless Window Door Security Smart Space Sensor for Our PG103 Home S1S1 When an unexpected intrusion occurs, the sensor will send a signal to the host, the host will immediately call or send SMS to inform the owner Work volatge: DC3V CR2032 battery Static Current: Less Than Equal 10uA Alarm Current: Less Than Equal 15mA Wireless Frequency: 433MHZ Transmission Distance: Greater Than Equal About 120m without barrier Working.Wireless Frequency: 433MHZ. 1 x Window Door Security Smart Space Sensor. Alarm Current: Less Than Equal 15mA. Transmission Distance: Greater Than Equal About 120m without barrier. Product installation: double-sided adhesive attached to the door or window, align the scale line, the installation spacing should less than 1cm.