Wireless Digital Remote Door Bell for Long Life for Home, Shop, Office Wireless Door Calling Bell 3 AA Battery Operated (1 Pc / Battery Not Included)Description :-Doorbell Push Button Transmitter + 1 x Wireless Doorbell For Trigger Push Button Included In The Pack. Does Not Require To Be Attached To Electric Points, Works On Batteries, You Can Install The Remote Buttons In One Location. Such As Front Door Or Back Door. When the Guest Presses The Remote Button. Double Side Stickers At The Back Side Of The Remote Button. Very Easy To Install. The Ultra-Distance Remote Control (30 Meters Long) Meets The Need Of Various BuildingsDoes not require to be attached to electric points, works on Batteries, you can install the remote buttons in one location. such as front door or back door3 AA Battery Operated (1 Pc / Battery Not Included)Dimension :-Volu. Weight (Gm) :- 262 Product Weight (Gm) :- 160 Ship Weight (Gm) :- 262 Length (Cm) :- 21 Breadth (Cm) :- 15 Height (Cm) :- 4