- Material: PVC and Metal
- Frequency: 433.92mhz
- Automatic lighting: When lack of light, it will be automatic lighting, easy for you to use
- Automatic standby: When no any action of the keypads, it will be automatic standby to save the power
- Low voltage alarm: When the voltage is less than 4V, it will alarm
- The range may be up less 25 or 30% less when battery power is low .
- It’s waterproof, the digital keypads can be installed outdoor if required.