Forrinx B21 Waterproof 52 Melodies 1000ft Range Programmable Wireless Doorbell

タイトルまたは説明

Main features:

1. Stylish modern design fits into any home and office.

2. *2 ringtones(*6 chord)to choose from and 4 steps volume control(*5~**0dB).

3. Simple to use and easy-to-install without the hassle of running any wires.

4. With up to **0m operating range in open space,**0m audible range.

5. IP*5/IP*4 waterproof transmitter

6. Eye-catching backlight flashes when someone pushes the doorbell.

7. Different quantity of push unit(transmitter) and chime unit(receiver) are free to pair together.

8. If paired multiple push units in one system,the chime can be set to different for each push unit.

9. Using learning code to prevent interference from other wireless transmitters.

*0. Easy to choose your change and select your favorite ringtone with forward and backward .

*1. Automatically save selected ringtone after power off.

*2. Approved with CE,FCC,RoHS certification.

Specification:

Voltage of Plug-In Smart Receiver: AC **0V ~ AC **0V *0Hz/*0Hz

Battery in Transmitter: *2V *3A Alkaline Battery

Power Consumption (Transmitter): < *0mW

Wireless Range: **0 ft in Open Air; **0~**0 ft w/ Metal Security doors and Walls

Selectable Ring Tone: *2 Options

Volume Range: 4 Levels (up to **0 dB)

Expandable to Multiple Smart Receiver or Transmitter: Up to *0

Working Frequency: **3.*2 MHz±**0KHz

Plug type:AU,US,EU,UK optional