The kit includes: 1 x art. 4899M - Quadra external unit with buttons, 1 x art. TP6842 - 7TOP 7” hands-free Wi-Fi door entry monitor for ViP system, 1 x art. 1488 - power injector for kit, 1 x art. 1441B - 30W power supply unit. The kit comes pre-programmed and ready to use. It can be expanded with other products from the ViP catalogue. When paired with the Comelit App, available for free download from the Google and Apple stores, it allows users to answer calls directly from their smartphone or tablet, both locally and remotely.