Zoeview Wireless Doorbell Waterproof Door Chime Kit, 1000 Feet Operating Range with 1 Push Button and 2 Plug-in Receivers, 38 Chimes, 3 Level Volume and Led Indicator (1 Push Button + 2 Receivers)

ZOEVIEW Wireless Doorbell Makes Your Life Easier and More Convinient Easy to Install Plug the receivers into the wall outlet at the living room, your office, your store or your room. Install the push button transmitter with the attached adhesive tape on the doorframe or the wall. Operation Press the volume button to adjust the sound volume to be high, medium and low. Press the melody button to choose your favourite tune before code pairing. Power on, press the push button to enter code pairing. Specification Operating Range: 1000 feet/ 300m in the open air Tunes: 38 melodies Volume: 3 levels(High, Medium, Low) Operating Frequency: 433.92MHz+100KHz Transmitter Power consumption: standby:?5uA; working:?15mA Receiver's Power Supply: AC 110~240V Push Button's Power Supply: DC 3V (CR2032) Pacakage Included 2 x Plug-in Receiver 1 x Push Button 1 x Double-Sided Adhesive Tape 1 x 3 Volts CR2032 Battery for Push Button 1 x User Manual