Dual-Way Counter Interphone Audio Record Anti-Interference Window Intercom Systems Interphone Speaker for Bank Station Counter

Window intercom can recognize and process the speech signals automatically,so it's easy to transmit sound through window. Specification: 1.Technical data: Working voltage: DC9V 2. Max working current: 600mA 3. Main and assistant sound boxes: 2W-2W 100Hz-15KHz 4. Outside microphone: 48db 5. Inside microphone: 48db 6. Dual-way audio record Package Included: 1 x Dual-way counter intercom 1 x External speaker 1 x Power Adapter 1 x English User Manual

• Independent volume control; The volume button for inside and outside can adjust the volume separately; window intercoms offer you a safe social distance
• Two-way voice intercom communication technology; automatic recognition of voice signals during a call; Window speaker requires no action
• 1.9 m extension cable with metal jacket; 6.5 feet connection line between main unit and slave unit; more sensible to install with stainless steel wire protection tube
• Easy to install; just to make a small hole about 0.7 inches in the glass; Connect the external cable from the device to the host through the hole
• Aluminum alloy plate; more robust compared to plastic; Surface drawing process; Scratches are not easy to leave behind