Marmitek Infrared extenders: IR Control Pro8. Cable length: 3 m. Width: 85 mm, Depth: 49 mm, Height: 24 mm. Cables included: 4 x 3.5 mm jack plug 2x IR extender cable + 2 LEDs 1x AC/DC. Dimensions (WxDxH): 85 x 49 x 24 mm, Frequency range: 34-40 KHz, Power requirements: 230VAC/50Hz, 12VC 500mA