The kit consists of No. 1 Quadra external video entry unit for VIP kits art. 4899MK, No. 1 power supply unit art.1441B, No. 1 network switch art.1440 and No. 1 Mini handsfree Wi-Fi monitor art. 6742WK. The kit is pre-programmed and ready for use. The kit is expandable with other VIP catalog products. Compatible with H.264 video format.