Features:Universal fit for DC 12V motorcycles, ATVs etcDual QC3.0 USB ports support charge two devices at the same timeCan be used to charge mobile phones, tablets, GPS and moreVoltmeter detects battery status at anytime to prevent safety accidents caused by bad batteriesIndependent switch controls USB and voltmeter at the same timeA plastic cover protects the voltmeter and USB port from rainsSuitable for 22mm-26mm handlebarsSpecification:Material: Aluminum AlloyCable Length: 170cm + 22cmInput Voltage: DC 12VUSB Output: 5V/3.4A; 9V/2.5A; 12V/2AMax Power: 30WNo-load Power: 0.18WColor: BlackDisplay Color: RedVolt Measuring Range: 6-30VFit for 22mm-26mm handlebarsColor: Silver / Black (Optional)Wiring: Red wire - positive poleBlack wire - negative poleNote: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.Thank you for your understanding, nice day!Package Including1 x Motorcycle USB Charger1 x Handlebar Accessories1 x Mount Stand1 x Self-adhesive Sticker2 x Screw1 x 22cm Extension Cable