The premium MP3 wireless gong or wireless doorbell set includes a gong with a blue LED light signal and a bell button with an LED light signal. There are 30 different melodies to choose from and the option of transferring your own MP3 music tracks to the gong with a USB cable. Gong installation type: Surface-mounted (wall, front door) or freely positionable (table, shop counter) Bell button installation type: Surface-mounted using screws or adhesive strips Radio range: 200 meters in an open field Volume: 80 dB at 1 meter Gong power supply: 2 x 1.5 V AA batteries (not included) Bell button: Power supply: 1 x 3 V battery (CR2032) included Frequency band: 433.05 434.79 MHz RF power level: 10 mW Gong protection class: IP 20 Bell button protection class: IP 54 Color: Pure white or aluminum Parallel connection of several gongs possible A maximum of 4 bell buttons can be coupled to one gong. Connection of the IR motion detector (order no. 094280 possible)
