Axis T8121. Power over Ethernet (PoE): 55 V. Dimensions (WxDxH): 51.3 x 87.9 x 166 mm. AC adapter input voltage: 100 - 240 V, AC adapter frequency: 50/60 Hz. Certification: FCC Part 15, Class B / FTP EN 55022 Class B EN 55024, VCCI UL/cUL per EN 60950, GS Mark per EN 60950. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 90 %