Commax DRC-41DK 3 WayAccess Door CameraCommax DRC-41DK 3 WayAccess Door Camera1:1 call with a door unitTalk with a visitorDRC-41DK 3 WayAccess Door Camera has a door release via WDR-174DS (wireless door unit)Power source: WDP-174L : AC 100-240V, 50/60Hz WDR-174DS : DC 12V mount type is desktop & surface-mounted typeIt’s wiring is 4 wires to a monitor, 2 wires to the DOOR 1 and lastly 3 wires to DOOR 2(non-polarity)Effective range: Open area: 250m (with barrier : 50m)Frequency: 1.7GHz~1.9GHzDimension(mm) is WDP-174L: 98(W)×208(H)×43(66)(D)WDR-174DS: 91(W)×134(H)×22(D)Read more from hereMoreover get this amazing product from Tetop at a reasonable cost.
