Description:This motorcycle adapter with dual USB plugs allows you to charge any two smartphones or tablet devices at the highest speed at the same time. It has a rubber USB cover made of waterproof and dustproof material to protect the internal circuit and effectively extend the service life.The adapter has a built-in LED voltmeter, which detects and displays the voltage when it is powered on. It has perfect safety performance, that is, it has intelligent circuit design to prevent overcurrent, overheating and overcharging.The motorcycle adapter is made from ABS and PVC material, it is durable and safe.The adapter is 6cm long, 2.7cm wide and 1.7cm high. The cable length is 1.8m.The SAE-to-USB adapter is designed for any 9-24V battery, suitable for iPhone, tablet GPS, PSP, camera, digital camera, bluetooth-compatible speaker/headphone, battery box, power pack or any smart device that can be charged by USB.Item Name: AdaptorMaterial:ABS,Flame Retardant PVCBatteries: 9-24VSupply Voltage: 12-24VInput Voltage: 19-24VOutput Voltage: 5VOutput Current: 2.1APower Cord Length: 1.8mOperating Temperature: -40 to 70 CelsiusMaximum Output Current: 2.1AInput Voltage Range: 19V-24VSize Details:Adapter Length: 6cm/2.34'', Width: 2.7cm/1.05'', Height: 1.7cm/0.66'' (Approx.)Cable Length: 1.8m / 5.9'' (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X SAE Long Cable Line1 X USB Charge Adapter