Long Range Radio Doorbell, Wireless Range Up To 300M / 1000 Ft In Free Space, Long Enough To Mount The Radio Doorbell Kit As Your Will. The Wireless Doorbell Ideal For Home, Office, Hotel, Dorm, Factory And So On. Wireless Doorbell With Changeable Nameplate.Ip44 Waterproof Radio Bell Outside Waterproof The Housing Of The Is Specially Designed For Outdoor Use And Is Also Suitable For All Weather Conditions. Wireless Doorbell Works Well In Wet And Dry Conditions. Doorbell Radio Can Easily Be Installed Outdoors. The Ringtone Is Loud Enough To Hear The Doorbell Clearly On Other Floors. The Led Bell Light Is Particularly Suitable For The Elderly And The Hearing Impaired. The Wireless Doorbell Has A Humanized Sleep Mode. When Someone Presses The Wireless Gong, Only The Blue Led Light Flashes And The Wireless Doorbell Turns Off Without Disturbing Family Members. Easy Installation Simply Plug The Doorbell Receiver Into A Socket And Install The Transmitter On The Wall Or Door Frame With The Supplied Adhesive Tape. Either You Are Cooking In The Kitchen Or In The Garden, This Wireless Doorbell Will Inform You In Good Time. You Will Never Miss Your Visitors. Size: 65*23*85mm, 50*16*77mm Color: Black Packing List: 1 Set* Wireless Doorbell