Waterproof wireless digital doorbell (1)Item No. AG-514E (2)Power Source:AC (3)Radio Frequency :315MHz/433.92MHz (4)Working Voltage:(Receiver):110V/60 Hz&220V/50Hz (Transmitter):12V23A (5)Operating Current:AC:110V/140mA 220V/70mA (6)Multimusic sound:4 chord 20 music/32music (7)Operating Range:Up to 100 metres(open area) (8)Dimension of the figure:Receiver(9.5*5*2 cm);Transmitter(3.6*7.5*2.5cm) (9)MEAS:AC: 64*33*28cm; (10)QTY/CTN:60 PCS/ctn (11)Plug type:2-pin round plug;2-pin flat plug; (12) Features of this models: 1. Digital wireless doorbell with LED flashing light when visitors pressing the remote button. 2. Long operating range: Over 3937 inch(100 meters), suitable for homes and high floor houses 3. One million groups of code; different codes technology, preventing interference 4. Easy to install, with double-side stickers at the back of the receiver. 5. No wiring required. 6. Waterproof transmitter 7. And 1x 12V type 23A battery for the remote button (included with the package). 8.32/4 chord 20 musics to choose, can be set conveniently with a click of a button 9.ith power-saving features 10.One transmitter can control one doorbells 11.ulti-emitter controls one receiver with different sounds (14)Description: 1.Top discount shop wireless door bell 2. Lines grace,light touch button,various kinds of colors for your choice,can bring you a sence of vision enjoy from lines and colors 3.simple,vivid and no-wire installation design avoid troubles and save money when in installatioin and don’t effect decorate environment 4.build in anti-interference design,avoid the inference between users 5.build in diphonia stereo speakers,make the sound more clearly.Especially suitable for home ,office factories,restaurants and so on.