Power supply: 12 volts 1.5 amps 18 watts Dimensions of the jack connector: 5.5 mm x 2.1 mm Adapter dimensions: 33 mm x 87 mm x 47 mm Cable length: 120 cm Attention !!! Buy our product when you are sure that your device does not want a current greater than 12 volts 1.5 amps and be sure of the input connector size. This adapter cannot operate devices that require electricity greater than 12 volts 1.5 amps. Before buying, check that your device is compatible with this adapter. OTV TV Box, Dab Box, Kodi Box: Free Wheel Box, Bluetooth speaker, DAB Radio, LED pixel light, LED strips, LED lighting, LED desktop lamp, IP surveillance camera, babies monitor, telephone system, Interior, VoIP telephone router, DJ serate controller. HDMI signal amplifier and suitable for many electronic products.