Database:

1. Card or Code  two method to open, Keyless
2. Power Supply: DC6V,  4 pieces of AA batteries.
3. Supply Voltage: below DV4.8V with lack of voltage indications and can use about 200 more times.
4. Static Power Supply: <10u A.
5. Dynamic Power Supply: < 150mA.
6. Lifetime of battery: normally can exceed 20,000 times and 200 more with low energy indication.
7. Door thickness: 15-30mm wooden or metal door
8. Working temperature: -40~+80 degree

Warranty:
One-year warranty.If the lock cannot work within one year period (except man-made improper factor),we donot charge any parts costs.If it goes broken after one year later,parts costs and labor cost are requiret.