Model: FK-0011DC Color: White Material: ABS Detection range: up to 100 meters Work Frequency:315MHz Water resistant remote control with light touch button Built-in 32 melody chimes Bulit-in diphonia stereo speakers, make the sound more clearly. Especially suitable for homes, offices, factories, restaurants and so on Dooerbell powered by 1 x 12V 23A battery (included) Remote controller power by 3*AA batteries (excluded) Accessories: 1*Doorbell,1*Remote Controller,2*screw,1*Double sided tape,1*12V 23A battery Product Dimensions: 10.5*6.5*3cm, Weight: 91g Package Dimensions: 21*16*3.2cm, Weight: 162g