1、WiFi alarm kit, includes a sound light alarm, a motion detector, a pair of door sensors, and a remote control. 2、When important entrance areas such as window/doors are opened, or when movement is detected, your phone will immediately receive an alert. 3、It supports expansion of up to 99 wireless alarm areas, 8 remote controllers, and 2 wired areas. If the power is cut off, there is a backup battery to support 8 hours of work. 4、Through the smartphone application, the installation area can be easily controlled by arming, disarming and home mode, and can also be controlled by a simple remote control. 5、Wide range of applications, suitable for home, shops and apartments. Comes with mounting accessories, easy and fast to install. 1 x Sound Light Alarm 2 x Door Sensor Magnetic Strip 1 x Motion Detector 1 x Remote Control 1 x Charger14 x Screw6 x Expansion Tube4 x Mounting Bracket1 x Tape1 x Manual  Item Type: WiFi Alarm KitMaterial: ABS Sound Light Alarm:Material: ABSModel: LB-12WFPlug: EU Plug (AC 100-240V)Battery Model: 1 x 18650 lithium battery (built-in)Alarm Current: ≤400mAStandby Current: ≤50mARF Distance: 70 meters/ 229.7ft (open space)Door Sensor:Material: ABSBattery Model: 1 x CR2450 (built-in)Quiescent Current: ≤3uAAlarm Current: <15mARF Distance: 80 meters/ 262.5ft (open space)Working Environment: -20℃-+55℃Motion Detector:Material: ABSBattery Model: 2 x AAA (built-in)Quiescent Current: ≤15uAAlarm Current: <20mAWorking Environment: -10℃-+55℃RF Distance: 80 meters/ 262.5ft (open space)Remote Control:Battery Model: 1 x CR2032 (built-in)Quiescent Current: ≤1uAAlarm Current: <10mARF Distance: 80 meters/ 262.5ft (open space)Working Environment: -20℃-+55℃