Tiptel ergo Voice C. Weight: 850 g, Dimensions (WxDxH): 235 x 215 x 85 mm, Cable length: 3 m. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -5 - 70 °C. Power supply type: AC 16V 300 mA, Battery type: AAA. Certification: 223 ZV 5 223 ZV 24 CE