Wireless Door Window Entry Security Burglar Sensor Alarm PIR Magnetic Smart Home Garage System Remote Control

Features:  120DB Alarm Sound :  This KERUI magnetic door window alarm sensor will emit a high volume alarm of 120dB when the door is suddenly open. It can prevent your kids from sneaking out. And it's a perfect door alarm for kids' safety, anti-theft, home, and business ' security.  Long Control Range :  This wireless door alarm kit comes with a wireless remote control for arming, disarming, SOS and doorbell options. It makes it easier to remotely control door/window alarms up to 300 feet.  Linkage Alarm :  You expand your home security alarm system with more alerts or remote controls, PIR detector, door sensor, gas detector, smoke detector and emergency button etc, as much as 10 detectors and 20 remote controls.  LED Lights Flash :  When the contact and magnet were separated; the LED will light 1 second; and it will be alarming immediately.  Low Battery indicator :  When the battery is very low, the alarm volume will decrease and the alarm time will be shortened, reminding you to replace the battery.(AAA 1.5V *2 Batteries not included).  Easy installation :  This anti-theft door and window alarm is easy to set up. Simply install it with the double-sided tape provided. Take just a few minutes.    Technical Parameters:  Working Voltage: 3.0V;  Alarm Output: Alarm after arm the sensor;    Package included:  1 x Wireless Door/Window Entry Security System Set