1. Super-stable and low-power consuming circuit design with world leading high technology

2. Main board can drive motor, electromagnet

3. 6V power supply

4. ABS industrial plastic, fashionable and stylish, black and argent for optional

5. Blue LCD, operation prompt, easy for use

6. External start key and function keys, internal initialization key

7. Home mode and family mode for optional

8. Low-power alarm to ensure normal use

9. Still, can ensure 150 times open-door after the alarm