Description: Fire-proofing materials Optimised for iPad, iPhone & iPod - fast charging at full speed (2.1Amps for iPad, 1Amp for iPhone/iPod). Apply to all USB charging mobile phones or other electronic products. Run multiple accessories at one time, very convenient and easy to use. 100% Brand new and high quality. Short circuit / overheat protection. Easy to install. Specification: Colour: Black Material: ABS + Metal Panel Size: approximately 102 x 85 x 5mm USB Charger: Operating voltage: 12V Interface: 2 USB Output: DC 5V 1A/2.1A Operating Voltage: DC 12V Barrel inner diameter:2.1cm/0.83" Barrel inner length:3.6cm/1.42" Package Includes: 1 Piece Car 12V Dual USB Adapter Charger 1 Piece Voltmeter 1 Piece Cigarette Lighter Socket with Lighter 4 Pieces Screws 8 Pieces Insulated Terminals Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you