Description :Item feature and function:Keep your private area away from danger!!(1) Do you want to know the situation of your home or company anywhere / anytime This item can help you! If there is any stranger breaks into its defense area. The system will call you or call 911 automatically; at the same time， its siren will alarm loudly to scare the intruder. And when your neighbors hear the alarm， they might come over to check the situation.(2) Completely Wireless (Simply plug in the keypad!)(3) All sensors have a 200 feet range and 400 feet line-of-sight range.(4) Automatically calls for help without a monthly monitoring fee (Required a phone line).(5) Advanced Sensor Technology. Applicability Area:Applies widely to banks， stores， warehouses， offices and home， it has many kinds of protection abilities like anti-theft， anti-robbery， fire prevention， gas leakage protection and most important， emergency calls.Number of Guard Zones : 99 Guard Zones Static current : Is 35mAAlarm current : Ia 280mA Wireless interference Rejection: 40dB(30-1000MHz) Wireless received sensitivity: -95dBm12dB SINAD Operating Temperature : -15C 55C (approx 5F 130F) Humidity : 90 % Emission distance : 240-500 feet Power Supply : 12V DC (Package included an AC Adapter with Input:100~240V/Output:12V DC) Build in Rechargeable battery for using during power cutoffPackage Including:1x Keypad/Control Unit1x Door/Window Sensor1x Motion Detector2x Remote Control1x Wired Siren1x Telephone Cable1x AC Adapter1x English Manual