- online access control system
- 2017-01-17 02:25
- online access control system1. Real-time networking 2. 4xAA batteriespowered for 1-3 years 3.use 2.4GHz technic
- hotel lock
- 2017-01-17 02:25
- hotel lock 1.use 2.4 G frequency technic 2.online realime communicate 3.4 AA batterymore than 1year