Highlights Convenient Dual USB Charging PortSpecification Shipping Limitations:Unlimited Dimensions:1.30 in * 1.30 in * 2.40 in Weight:0.0600 lb Available Ship to:United States Quantity:1 packDetails *Features*: *Convenient Dual USB Charging Port*:Coming with two USB charging interfaces supporting total 3.1A output(single USB max. output is up to 3.1A),our USB car charger can charge two electronic devices simultaneously to ease your time. *Intelligent and Compatible Fast Charge*:Equipped with smart chip,our USB car charger can identify different charging current needs of devices and optimize charging current to speed up charging time. Besides,it supports most electronic devices such as smartphones,tablets,cameras,MP4 players and GPS devices and can be installed on various DC 12-24v vehicles. *Worry-Free Security Charge*:Built-in intelligently-designed circuit,our USB car charger can provide short circuiting,over-heating,over-currents,over-charging and other advanced protections to ensure the safety of your devices. *Real-Time Car Battery Voltage Monitor*:Coming with a LED digital screen which displays the car battery voltage in real time to keep your car battery safe and driving safe. *Reliable Exterior Design*:Adopting premium aluminum alloy,zinc alloy and PC materials,our USB car charger is anti-oxidation,flame-retardant,abrasion resistant and durable. *Specifications*: Product Type: USB Car Charger Material: Aluminum Alloy + PC + Zinc Alloy Input Voltage: DC 12-24V USB Output: DC 5V/15.5W/3.1A Working Temperature: 0℃-40℃/32-104℉ Item Size: 3.3cm x 3.3cm x 6cm/1.3in x 1.3in x 2.4in (L x W x H) Item Weight: 25g/0.06lbs *Package Lists*: 1 x Dual USB Car Charger