Fibaro FGBS-222. Operating frequency: 868.4 - 919.8 MHz, Transmission range: 0 - 50 m, Operating temperature (T-T): 0 - 40 °C. Connectivity technology: Wired & Wireless. Product colour: White. Input voltage: 30 V. Width: 29 mm, Depth: 18 mm, Height: 13 mm