1. Particular patented control technology, very low power consumption, 2 years operations from 2 x AAA alkaline cells.

2. Integrated design, easy installation same as cam locks.

3. Zinc alloy silver plating panel, noble and durable.

4. User code will be saved for a long time when power is off, will not be lost and garbled.

5. User codes are 1 to 8 digits long, over 80,000 possible combinations.

6. Voice signal when enter codes.

7.A brief alarm after entering incorrect codes 4 times.

8. Low battery warning, over 100 operations after warning.

9. Patented magnetic battery box, convenient battery replacement, outlet on panel for back-up power supply.