DC 12V 3A AC 220V Power Supply For Door Entry Access Control Sys

- AC 220V/50Hz input， DC 12V/3A steady and precise output.
- 0-10s lock delay setting， the door can be delayed to lock after 10s.
- Compact size， high efficiency and stable performance.
- Smart device surge protection for Shortage Protection， Overload Protection， Over Voltage Protection.
- Set NC / NO outputs， able to control various types of electrical locks.
- Can install 12V 7AH battery(not included)， still keep to work when power off.
- High quality metal material， long service time.