1byone Easy Chime Wireless Doorbell Kit, 1 Receiver & 1 Push Button with Sound and LED Flash, 36 Melodies to Choose, Plug- in Chime

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About 1byone Easy Chime Wireless Doorbell Kit, 1 Receiver

1byone Wireless Household Alert Security System is an easy-to-install and DIY home security system, which is perfect for your office, apartment or home. Just rest in absolute ease! Box Contents: 1 x Receiver 1 x Transmitter 2 x Wall Plugs 2 x Screws 1×Adhesive backing 1 x Instruction Manual Function Instruction 1. Melody Selection There is a melody selector located at right on the back of the door chime. Press the selector to change into different melodies. 2. Sound and Flash There is a switch at left on the back of the Receiver. Slide the switch to the left position, the Receiver will work only with sound; slide to the middle position, only LED flash; slide to the right position, sound and LED flash. 3. Volume Adjustment There is a volume button between melody selector and sound-and-flash switch. Press it to adjust the sound volume to be high, medium and low. 4. Auto-learning Code Button There is an auto-learning code button on the edge side of the receiver. If you want an additional Transmitter to work with the Receiver, just press the auto-learning code button once and the Transmitter can work with the Receiver. 5. Nameplate There is a nameplate position on the doorbell. Specifications A. Doorbell Power: 1 x 3 Volts CR2032 battery (not included) B. Receiver Power supply for the Chime (Receiver): AC 110V Operating Temperature: -30℃ to +40℃ Operating Distance: 300 feet in the open air Selectable Tone: 36 Polyphonic Melodies Digital Code Type: Auto-learning