Features: 100% brand new and high quality. Stylish appearance, touch design. Easy to install. Ultra-low power consumption, power saving and long-lasting use time. 52 polyphonic ringtones. Ding Dong Doorbell, can be matched with wireless video doorbell. Function: When the outside doorbell rang, the dingdong doorbell inside will ring, inform you that someone is coming outside. Product Specification: Type UK/EU Plug Color Black Working voltage AC 90~250V Operating frequency 433.92 MHz +/-280 KHz Power consumption 10W Transmitting power 0dbm Sensitivity -110dbm Sound volume up to 110db Size 3.23 x 3.23 x 1.57inch(82 x 82 x 40mm) .
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