Universal 433MHz Wireless WIFI Smart Video Doorbell Chime Indoor Music Receiver 52 Melodies 4 Levels Volume For Smart Doorbells

Universal 433MHz Wireless WIFI Smart Video Doorbell Chime Indoor Music Receiver 52 Melodies 4 Levels Volume for Smart Doorbells Features: * Installation is simple and convenient /Fast identification and connection * Ultra low power design /power saving and long-lasting use * 52 first polyphonic ringtones /Select your favorite ringtone * 4 level optional volume adjustment /Choose your appropriate sound level *Compatible with 433MHz Smart Doorbell *Multiple doorbells can be connected at the same time Parameters: Size:82*82*40mm Operating Voltage:AC,90-250V Transmission Frequency: 433.92MHz±-280KHz Power Consumption: 10mW Transmission Power: 0dbm Sensitvity:-110dbm Net Weight: 92g Connection Method Connect the power supply, long press the switch button on the side of the chime, wait for the blue light to be always on to enter the pairing mode, and at the same time press the button of the doorbell, wait for the pairing to be successfully completed. Wireless connection Rapid response Compatible with 433MHz Smart Doorbell 52 ringtones to choose from + 4 levels of volume Multiple Plugs