For Busch-Watchdog 220 MasterLINE KNX premium. The functions can be freely assigned.
With coded transmission signal. Power supply: lithium button cell battery. Type CR2025 (included
in delivery). Battery life: typically 2 years. Rated voltage: 3 V, Protection class (Device): IP 40,
Temperature range (Device): 0 °C – 45 °C, Dimensions: (L x W x D): 86 mm x 40 mm x 7 mm.