Narrow-Type Sturdiness Electric Bolt Lock with Mechanical Key: ZudSec ZDL-221K is an all-metal construction electric bolt with European-type cylinder , and has both electric control and manual control functions. Adopts high class stainless steel material, In case of emergency after power failure, it can be unlocked with a mechanical key. The latch of the lock has anti prying function, and this lock has LED  displays that shows the working state of the lock tongue, and the 0/3/6/9 second delay function. Suitable for narrow-framed wooden doors, metal doors, fire doors,glass doors.

-Optional model: ZDL-221KM 

* The unlocking and locking are driven by a motor, achieving a quiet effect.

* With a mechanical knob for emergency unlocking

* Can be specially used for automatic and semi automatic doors of elevators.

- Low Temperature, safe & durable.
- Narrow panel designed for narrow door
- Full solid stainless steel lock and lock body,durable;
- Ultra-low temperature design, less heat is safe andreliable

- Both electric control & manual control 

- With a mechanical knob for emergency unlocking

- 500,000 times successful test
- LED light design in the lock front panel, can be easily displayed during embedded installation
- Time delay setting: 0/3/6/9 sec.
- MOV Provides Reverse Current Protection.
- Door statue signal output contact NO/COM
- Double protection for loading current.

Package Contents: 

• Standard Exporting Packing Box