Power DC equipped devices (max. 3A/5V) from a 5V USB port 1.5m cable with USB 2.0 Type A connector DC connector has 2.5mm Inner diameter / 5.5mm Outer diameter Colour: Black 10 Year Warranty The LINDY USB to DC Adapter cable allows you to power 5V DC devices from a single USB port. It is perfect for mobile applications, eliminating the need to store additional wall adapters and the need to carrying bulky PSUs when travelling. Furthermore, when combined with the LINDY 4 Port USB UK Mains Charger, LINDY USB Car Charger 1A or Mini USB Car Charger 1.2A you gain a very useful home and travelling power solution.