Audio Door Phones ZDL-3208C arrival home security intercom system 2-WIRE audio door phone unlock function 230701

• Pick up the handset, press one of the machine’s call buttons, and the other machine will give off a sweet tone, the other side picks up the handset, the two sides will be able to call.
• Length: 220mm Width: 100mm Height: 70mm
• Hi-fidelity speakers
• Fashion & Smooth design
• Two-way intercom
• High-quality circuit to promise sharp clear voice