Features 1Multi-channel wireless transmission is anti-interference and has strong anti-interference performance. 2The abnormal fault promptly reminds and automatically detects the fault. 3Support alarm calls SMS notifications and ensure security at any time. 42000mAh backup battery power failure and continuous protection do not worry about power outages. 5Diversified management to meet different needs multiple people can manage together. Specification Features: Multi-channel wireless transmission is anti-interference and has strong anti-interference performance. The abnormal fault promptly reminds and automatically detects the fault. Support alarm calls SMS notifications and ensure security at any time. 2000 mAh backup battery power failure and continuous protection do not worry about power outages. Diversified management to meet different needs multiple people can manage together. No need to limit learn code simple and convenient save your time. 5 alarm sounds 6 zone types 99 custom zones to meet your needs. Specifications:Condition: Material: ABS + PMMA PanelColor: Black + White + RedAlarm Host Size: Approx. 13 x 13 x 4.5 cm / 5.1 x 5.1 x 1.8 inInfrared detector Size: Approx. 12 x 6.5 x 4.5 cm / 4.7 x 2.6 x 1.8 inMagnetic detector Size: Approx. 3 x 9 x 1.5 cm / 1.2 x 3.5 x 0.6 inAlarm hostVolume: 4 types adjustableRingtones: 35 kinds adjustableDetector association: 32Power: Power or 4 AA (1.5 V) batteries (not included)Infrared DetectorReporting current: <60m AStandby current: <40 uADetection distance: 0-8 metersLaunch time: 5 secondsBattery life: 5 yearsStorage type: lithium sub-batteryBattery storage: 8000 mAh (ER26500)Solar panel material: amorphous hangingDetection angle: horizontal 90' vertical SO.Sensitivity adjustment: H L two adjustableWireless transmission distance: 300 (open space)Solar door magnetismStorage type: lithium battery 9Alarm current: less than 60 mAStandby current: less than 10 uALaunch time: 5 secondsBattery life: less than 3 yearsBattery capacity: 2000 mah (14505M model)Solar panel material: amorphous siliconWireless transmission distance: up to 300 metersPackage List:1 * Solar Wireless Door Magnet (1 * 14505M lithium battery 2000 mah 1 * manual)1 * Solar Infrared Detector (1 * ER26500 lithium battery 8000 mah 1 * manual 1 * Vientiane bracket 4 * mounting screws 3 * plastic screw tube)