Knock-Sensitive Knock Activated Door Bell Chime

Knock-Sensitive Knock Activated Door Bell Chime

US$ 4.93 Free worldwide shipping!
DealExtreme
- Activated by knocking from the other side of the door - Extremely easy installation, just stick it on the inside of the door and it just works - 2 levels of sound: High and Low - Ideal for home/office use - Operated by 3 x 1.5V AAA batteries (sold separately) - Easy to install with the included double-side adhesive pad Dimensions: 2.83 in x 2.09 in x 0.98 in Weight: 2.08 oz