ขาย Doberman Security 100DB เครื่องตรวจจับการสั่นสะเทือนไร้สาย ราคาที่ดีที่สุด

The product protects you with an extremely strong and reliable vibration sensor 100dB Alarm, keep your home safe when nobody is home. Special Vibration Sensor, vibration activation technology with opmital sensitivity alerts you of a break. 9mm for ultra-thin design, Portable and fit for most kinds of sliding windows, doors to protect your home. Easy to install, provides convenient security for protection. Specification: Brand:DOBERMAN SECURITY Source: 3 LR44 batteries (included) Colour:Black + Sier Material:plastic Size:70*70*9mm Package Contents: 1 * AlarmOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.