1.Louder Alert. When the magnetic sensor is disconnected, the KERUI door and window alarm system will issue a loud 120dB warning to prevent theft and unnecessary access, preventing your child from sneaking out.
2.Longer Control Rang. 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.
3.Multi-Fucntion Alarm System.You can select the doorbell mode to draw attention when people enter, as a commercial doorbell when entering. With the SOS option, seniors can easily get help in an emergency. Good protection.
4.Extensible& Linkange Alarm.You expand your home security alarm system with more alerts or remote controls,Infrared detector, door sensor, smoke detector, gas detector, emergency button.
5.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.
6. Battery Reminder.When the battery is very low, the alarm volume will decrease and the alarm time will be shortened, reminding you to replace the battery.
Working Voltage:3V (powered by 2 AAA batteries) (battery not include)