Price:
US$30.13

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Overview and Specifications:

Features:
1.simple design, elegant, chic style;
2.ultra-low-power design, energy saving and sustainable use
3.long distance remote control, stable signal;
4.28 polyphonic ring tones for optional;
5.Adjustable indoor ring volume 
Specification:Indoor receiver
Voltage Range:AC 110V-220V
Operating temperature:-10 – 55 degree 
Outdoor transmitter:
Voltage Range:DC12V 23A
Alkaline battery(without the battery, because of the shipping problem)
Operating temperature:-20 – 65 degree 
Transmission distance:300 meters in open area
Operating Frequency:433.92MHz±200KHz
Power:0.1W
Volume:25-110dB

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