Wentronic LR1 1-BL Lady N tecxus. Battery technology: Alkaline, Battery form factor: Cylindrical, Battery voltage: 1.5 V. Colour of product: Blue, Silver. Weight: 8.6 g, Height: 29.8 mm, Diameter: 11.5 mm. Operating temperature range (T-T): -20 - 54 °C, Storage temperature range (T-T): -20 - 35 °C. Dimensions (WxDxH): 11.5 x 11.5 x 29.8 mm