Check the listing for details. Video Intercom Lobby Unit 8-Button Door Camera for 4-wires Video Doorphones. Condition: New. Listed at 220.00 USD. 8-Button Door Camera for Multi-Apartments Building Video Intercom compatible with 4-wire video doorphones Lobby unit Door Station suitable for up to 8 households Features and Function 8 apartments lobby unit 8 button name plateHouse call and talkAluminum materialNight automatic illumination (white LED/built-in camera)Power supply included Compatible with 4-wire video doorphones such as Commax Fine View series: CDV-35A, CDV-43N, CDV-43U, CDV-35U, CDV-70U, CDV-70K, etc.SpecificationsPower source: DC12V Power supply included: AC 100 ~ 240V, 50/60Hz , Type A electrical plug Camera: 600TVL CMOSMounting type: flush mounted typeWiring: 4 wires (polarity) Max. Transmission Distance (furthest monitor to door camera): 28 meters (84 ft) with 24 AWG gauge; 50 meters (150 ft) with 22 AWG gauge; 70 meters (210 feet) with 20 AWG gaugeMinimum Illumination: 0.1 Lux Dimensions: 130 x 268 x 55 mmIP rating: 55Operation temperature: -25ºC to 65ºCMaterial: aluminum alloy Wiring Diagram **Electric door strike and power supply for electric door strike not included** Packing list 8-Button Door Camera1 x 8-Button Door Camera1 x Power supply8 x 4-pin connectors1 x 2-pin connector1 set of screws and wall plugs Compatible and connectable products 7" Hands-free Video Doorphone4.3" Hands-free Video DoorphoneAlso available in kits: 7" hands-free video monitors x8 + 8-button door camera 4.3" hands-free video monitor x8 + 8-button door camera