星汉灿烂电视剧免费观看国产,免费国产草莓视频在线观看,国产亚洲在线久久精品视频,青青青国产在线观看免费,久久精品国产**免贵,国产高清视频在线免费,亚洲国产成人久久久精品,国产精品99r8免费视频,久久久久精品国产**水蜜桃,国产美女免费直播

- Operating range up to 100 meters in the open area

- Using high frequency transmit technology and innovative function of same frequency with different code, one doorbell has one code to avoid disturbing from neighborhoods

- 18 selectable melodies

- Blue LED indicator: 3pcs

- Self Generated Power Transmitter, without battery

- Receiver has 3 modes: visual, acoustic,visual and acoustic

- Transmitter has a name plate

- N.W. of Receiver (doorbell): 97g

- N.W. of Transmitter (button): 46g

- Approval: CE,RoHS

- Radio Frequency: 433.92MHz

- Waterproof transmitter: IP44

- Receiver power supply: AC230V

- Plug Type: EU