Depending on which doorbell kit you purchased, the basic components of our kit are the Main Receiver which plugs into a wall outlet or is battery-operated (Model CXRi) and the Transmitter Doorbell Button.
A small battery for the Transmitter and 2 options for installation of the Transmitter Button: (1) Self Adhesive Sticker and (2) Anchors and Screws are included in all kits. Also, a mini screwdriver is included only in Waterproof Models.
Note: Products we sell in the UK Marketplace will include a UK plug.