unlock way | fingerprint ,Password , Card , keys,APP unlock. |
Accept door thickness | 38-55mm |
Power supply | 4pcs AA Alkaline batteries |
We have our own trading company and factory. Our company is located in Shenzhen, Guangdong province, the economic center of China. And we are adjacent to Hongkong, so it is very convenient to deliver and transport.
Yes, we could offer the sample.