YuHan Electric Electronic Door Lock DC 12V for Doorbell Intercom Access Control Security System;

Specifications:
Can suit both Left and Right hand door (by rotating the lock 180 Degree)
NO (open when powered) Fail Secure Operating Mode
Can work with all the video intercom system in my store
High-quality stainless steel
High anti-theft and high safety
Double lock heads inside and outside
With electronic-control unlocking unit and a spring adjusting balance unit
Easy to install
User friendly
Support manual unlocking, 3 keys included
Suitable for : home, offices, schools, hotels, factories, warehouses, etc

Technical Information:
Voltage : DV 9 ~ 12V, 1.5A
Power : > 12W
Operating Mode: NO (open when powered)
Dimensions (strike):
- Approx. 36 (W) x 102 (H) x 51 (D) mm
- Approx. 1-3/8" (W) x 4" (H) x 2" (D) inch
Dimensions (main body):
- Approx. 123 (W) x 105 (H) x 35 (D) mm
- Approx. 4-3/4" (W) x 4-1/8" (H) x 1-3/8" (D) inch

Package includes:
Electric lock x 1
Key cylinder x 1
Key x 3
Installation Accessories (screws) x 1