Premium MP3 wireless button. Bell button with LED light signal (can be used for comfort and premium set). Bell button: surface mounting using screw or adhesive strip. Wireless range: 200 meters in open field or 100 meters with set order no. 094252, 094253, 094254. Bell button: power supply 1 x 3 V battery (CR2032) included. Frequency band: 433.05 - 434.79 MHz. Protection class of doorbell button: IP 54. Color: pure white
