Doorknob Electromagnetic Alarm

Doorknob Electromagnetic Alarm

4 (1 product review)Added 5 years ago
US$ 4.10 Free worldwide shipping!
DealExtreme
Simply hang on metal door knobs - no wiring or installation is required Alarm goes off as soon as someone touches your doorknob from the other side 120dB loud alarm -Guards your door and windows -Electromagnetic sensor with spotlight -Low energy consumption -120 Decibel high intensity alarm -Powered by 2 pcs1.5v AAA batteries (Sold Separately) Length: 4.72 Height: 1.18 Width: 1.38 Weight: 1.41 oz Length: 12 cm Height: 3.0 cm Width: 3.5 cm Weight: 40 g Caution: Please keep alarm away from your ear for the alarm produces very loud sound.
May 2007by milob40
ear piercing. this thing is loud! if this doesn,t scare off an intruder, nothing will. cheap effective alarm. alarm sounds before intruder can gain access very touchy when activating, you can't hold the door knob to close it or see if a...translate