120DB: 100% brand new and excellent quality. 120db ultra loud alarm ringing. Adopts ABS material, lightweight, antirust and durable. SOUND THE ALARM: When you install the touch sensor in your house, office or factory, it will ring to alarm once children open the doors and windows or a theft breaks in. IMPROVED SAFETY: In hotel you can install it on the the door or window to ensure safety. After check-out it can be prepared for next-time use. EASY TO USE: You can easily hang it on the inside door handle in no need of special wires, turn it on and the loud alarm will frighten away unwelcome invaders, thus protecting you and your families. AFTER-SALES SERVICE: If you find any problems with order , just feel free to contact us firstly before you left any neutral or negative feedback , we will do our best to ensure your satisfaction., Manufacturer: Sonew