Wireless WiFi Alarm Kit Motion Detector Door Sensor Remote Controller Sound Light Alarm AC Item Type: WiFi Alarm Kit Material: ABS Sound Light Alarm: Material: ABS Model: LB-12WF Battery Model: 1 x 18650 lithium battery (built-in) Alarm Current: ≤400mA Standby Current: ≤50mA RF Distance: 70 meters/229.7ft (open space) Door Sensor: Material: ABS Battery Model: 1 x CR2450 (built-in) Quiescent Current: ≤3uA Alarm Current: <15mA RF Distance: 80 meters/262.5ft (open space) Working Environment: -20℃-+55℃ Motion Detector: Material: ABS Battery Model: 2 x AAA (built-in) Quiescent Current: ≤15uA Alarm Current: <20mA Working Environment: -10℃-+55℃ RF Distance: 80 meters/262.5ft (open space) Remote Control: Battery Model: 1 x CR2032 (built-in) Quiescent Current: ≤1uA Alarm Current: <10mA RF Distance: 80 meters/262.5ft (open space) Working Environment: -20℃-+55℃