DS-K2704X(P) 4-Door Access Controller Main Board - Expandable to 128 Doors Default:- and solar/low‑power support for off‑grid

and solar/low‑power support for off‑grid installs

also available in Chrome and White (availability varies by length/region)

Ideal for residential

Compatible with all ML600-D range

Quad-beam design with AND gating to reduce false alarms

DS-K2704X(P) 4-Door Access Controller Main Board - Expandable to 128 Doors Default:- and solar/low‑power support for off‑gridDS K2704X(P) 4 door access controller main board (expandable) Enterprise grade Ultra series 4 door access controller main board with downstream RS485 expansion to control up to 128 doors (via DSK2M002X modules). Supports OSDP over RS485 and Wiegand readers, web based configuration, and advanced access functions such as antipassback and multidoor interlocking. Large capacity: up to 100,000 users, 200,000 cards, 10,000 fingerprint templates and 600,000