High Quality 3 AA batteries Wired Door Bell
Here is a high quality 3 AA batteries door bell which has door bell button, sound is ringing and the volume is high, power on by 3 AA batteries (Batteries not incluiding in the package ), also you can connect extension cable and installed at any place you like.
• Use: Access control system
• Power: 3 AA Batteries ( Batteries not including in the package)
• Size: 160x 110x 48 mm
• 16 or 32 melodies
• Default 0.7m cable ,other length cable can be custom-defined.
Door Entry Minder
Electric Lock System.
1* Wired Door Bell