This item is only for 220-240V, not for 110V. Please confirm the voltage of your area before placing an order. Lots of people might feel unsafe and can't fall asleep at night. Therefore, to install a motion sensor that can sense the motion and make alarm to alert you is important. The wireless home security alarm kit can sense the motion and send massage to your phone. With this useful alarm sensor, you can have a good sleep at night. Feature - Color: As shown. - Material: Plastic. - Package Size: About 35 x 27 x 7.5cm/13.8 x 10.6 x 3inch(LxWxH). - Totally wireless system with built-in GSM dialer and remote monitoring. The system will alert you by phone through a series of enlisted phone numbers. Then dial into the host to arm or disarm using the phone's numeric keypad. - You need to use a GSM SIM insert the alarm system and set your cellphone number as a receiver number, activates siren then dials your phone or sends a text message in case of Intrusion. - The sending distance is about 100m. Therefore, you need to pay attention to the distance when install motion sensor at your home. Specification - Wireless Control Host - Receiving processing, identifying signals automatically and inputting, storing, and outputting alarm messages - Working Power: AC 100-240V 50/60Hz; DC 12V 1000mA - GSM 850/900/1800/1900MHz - Wireless Frequency: 433MHz/315MHz - Working Temperature: -20 - 55 C degree - Wireless Anti-Tamper PIR Motion Detector - Standby current: less than 25uA - Alarm current: less than 15mA - Operating temp.: -10 to +50 degrees - Installation mode: wall mounted - Installation height: about 2m - Detecting distance: 6-12m - Sending distance: about 100m( in the open area) - Work Frequency: 433MHz - Power Source: 9V battery(not included) - Wireless Door/Window Gap Detectors - To control the door, window, cabinet and other important places. It can be alarmed and send the sign to Control Host once it detects the above places are moved, pushed, drawn and etc. - Power Supply : 12V battery - Static current : I1 le;15mA mu;A - Alarm current : I2 le;15mA - Transmission Time : 1s - Transmit distance : approx 80m(no obstacle) - Internal distance : 15mm - Temperature: -10to 40(approx 14 F ~ 104 F) - Battery: 23A 12V(not included)