Marmitek Infrared extenders: Invisible Control. Width: 90 mm, Depth: 30 mm, Height: 75 mm. Battery type: 9V, Battery capacity: 200 mAh. Cables included: 1x IR: 2 LEDs. Dimensions (WxDxH): 90 x 30 x 75 mm, Power requirements: 230VAC/50Hz, 12VDC, Packaging height: 285 mm