The additional DECT Telephone Handset expands an existing Dual Function Door Intercom/DECT Telephone System CL3622B by up to 4 handsets in total. Ideal for larger homes and use in a garden office or outbuilding. All fixings included. Additional features: Answer your door and hold a conversation with your caller, from the safety of inside your home and even from your garden without the need to run; to the door; Ideal for the security conscious, young people, the elderly and infirm. Size H17, W17.3, D7.1cm. 1 year.