DoorBird D21DKV Protective Hood for Video Door Stations, (V4A Salt-Water Resistant), brushed. for in use with surface mounting housing Click or scroll to zoom Tap to zoom by DoorBird SKU DBD21DKV-V4A PROTECT This website is for Authorized Dealers only. Pricing and checkout is disabled unless you are authorized. "Login" or Click "Dealer Application" to apply.