Security ProtectionAfter installing this door and window alarm in your home, office, factory, if a child or a thief opens the door and window, an alarm will sound to check the security. The burglar alarm will scare off any unwanted intruders and keep you and your home well protected. Easy to CarryDoor and window detectors are small and easy to carry. When staying in a hotel, you can install this burglar alarm on your doors and windows to protect yourself and take it with you when you next leave. 120dB Ultra Loud SirenThis burglar touch sensor protects main access points and triggers an alarm when doors/windows are opened. A super loud 120 decibel siren deters thieves and makes it safer. 24h MonitoringThis door and window sensor can monitor your home in 24h. Use it on doors, windows, cabinets, drawers or anywhere you need to be notified when it's open or closed. Easy to UseA simple one-button switch controls the doorbell/alarm, with two modes to choose from. Door and window sensors do not require special wires. Just hang the door handle and turn on the switch