PROTECT YOUR HOME: This touch sensor secures key access points and triggers an alarm when doors/windows are opened. The super loud 120dB signal can scare away thieves and is safer to use. WIDE APPLICATION: This door and window sensor can monitor your home 24 hours a day. Use it on doors, windows, cabinets, drawers, or anywhere you want to be notified when it's opened or closed. DOORBELL/ALARM: Simple operation, one-button doorbell/alarm switch, dual mode optional. ESSENTIAL SAFETY ITEMS: Install this alarm at home, in the office, or factory. When doors and windows are opened by children or burglars, it will trigger an alarm to ensure safety. When staying in a hotel, you can install this burglar alarm on your doors and windows. It protects you when you leave and you can take it with you next time. EASY TO USE: Window break-in alarms require no special wiring. Simply hang it on the inside door handle, turn on the switch, and the window opening alarm will scare away unwanted intruders, keeping you and your home well-protected.