HFX700W is our NEW door entry monitor kit with an updated design and improved technology. The kit includes our 4.3” hands-free MINI Wi-Fi door entry monitor art. EX-7000HW, one power supply unit art. 1209/4 and our NEW BELLO external entrance panel art. EX-B. Can be expanded up to 4 external units and 4 internal door entry monitors. The kit is pre-programmed and ready to use.