130dB loud alarm system for home security The 130dB anti-theft alarm system is perfectly suited as a multifunctional alarm do window, door or wireless input alarms. With this alarm system, you can stop theft and unnecessary access with loud alarm sounds. Alarm will turn on for 30 seconds after starting. Range 15 meters This wireless alarm door and window is paired with a remote control do additional functions to arm, disarm and trigger the alarm. Pilot can operate at a distance of do 15 meters (49 feet) from the alarm. Pair multiple alarms and remotes Wireless sensors and alarm systems allow you to pair multiple devices. Use do 50 different combinations of these anti-theft alarms and remote controls to maximize home security. Easy to set up This kind of anti-theft window and door sensor is easy do set up. Simply clean the required mounting surface properly, stick the provided tape on the back of the alarm and magnet, and then install it on the required surface. Technical parameters Sound pressure: 130 decibels Ambient humidity: < 90% Operating Humidity: -1060 Door sensor battery: AAA*2 battery Remote Control Battery: CR2032*1 battery Remote control distance: 15m (open place) Transmission Frequency: 433,92 MHZ Door sensor induction range: 15mm (no magnetic interference)