Provide remote access control of electric door locks with this durable and functional wireless doorphone. It has an IP54 outdoor unit for hearing who is at the door and offers selectable ding dong, visual or vibration alert for door bell. This wireless doorphone is easy to install and uses full digital technique to ensure zero interference.

• Full digital technique used to ensure zero interference.
• Long communication range of 800m in open space.
• Operate in the 863 - 870 MHz with clear reception.
• Remote control of electric door locks.
• Outdoor unit comply with IP54 standard.
• Out of range alert and low battery alert.
• Selectable ding dong, visual or vibration alert for door bell.
• Outdoor unit can operate with several indoor units.
• Handset equipped with rechargeable Li battery and charger stand.
• Outdoor unit speaker volume remotely control from handset.
• Outdoor unit operates with AC/DC supply or battery backup.
• Extremely easy installation.
• Durable and functional.