2N IP verso, external unit one with camera, one audio, plus other bits. Sorry cant help with tech questions.The item "2N IP verso, door entry system bundle" is in sale since Tuesday, October 5, 2021. This item is in the category "Home, Furniture & DIY\Home Security\Door Entry Systems & Intercoms". The seller is "danielg7706" and is located in West Wittering nr Chichester. This item can be shipped to United Kingdom.