The comfort wireless gong set includes a gong and a bell button with LED light signal, there are 15 different melodies to choose from, gong installation type: surface mounting (wall, front door) or freely positionable (table, shop counter), bell button installation type: surface mounting using a screw or adhesive strip, frequency band: 433.05-434.79 MHz, wireless range: 100 meters in open space, volume: 80 dB at 1 meter, gong power supply: connection with Euro plug for any socket, bell button: power supply: 1 x 3 V battery included, frequency band: 433.05 - 434.79 MHz, RF power level: < 10 mW, gong protection class: IP 20, bell button protection class: IP 44, color: pure white, parallel connection of several gongs possible, a maximum of 4 bell buttons can be coupled with one gong.
