Features: Product use: It can be used to power most automotive supplies such as mobile phones, tablets, IPADs, navigation and GPS. Scope of use: It can be used on vehicles, motorcycles, ATVs, SUVs, boats and other means of transportation that can be installed with DC12V. Product features: There are various for protection functions: input overvoltage, undervoltage for protection; output overcurrent, overvoltage, undervoltage, short circuit for protection; reverse connection for protection; chip internal high temperature for protection. The product has dual USB super fast charging ports, supports 5V 3.4A/ 9V 2.5A / 12V 2A three output schemes, and can automatically identify the fast charging protocol supported by the output terminal access device The product is made of aluminum alloy, which is durable and wears a waterproof and dustproof cover. The waterproof level reaches IP65. The cover can be waterproof, even if it rains, you don’for t have to worry about it. The product is equipped with an independent button switch, which can be used at one press and stop at one press, which is convenient and quick to operateThe product is equipped with a digital display voltmeter, which can monitor the voltage status in real for time to protect your car from harm. Specifications: Material:ABS Size: Approx.15 x 8 x 8mm/0.59 x 0.31 x 0.31" Color:Black Voltmeter Color: Red/Blue Input voltage: DC12V Monitorable voltage range: 6-30V Output voltage: 5V3.4A/9V2.5A/12V2A Installation method: handlebar installation, screw fixing Package Includes: 1x Handlebar Mount Bracket 1x Screw Mounting Bracket 2x Large Screws 1x Small Screw 1x Handlebar Fixing Screw 1x Anti-skid Spacer 1x Extension Cord 1x Manual 1x Wiring Card 1x Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.