This audio door phone features one outdoor unit and one indoor unit for users' convenience. The design adopts a high-quality circuit for clear voice and conversation. It is easy to install and is an ideal choice for your household.

• Electric-controlled lock release.
• Talking distance is above 100m (2 x 0.8mm²).
• 2-wire connection.
• Assembly of outdoor unit: surface mounting.
• Easy DIY installation.