Description: Features: brand new and high quality. Short circuit / overheat for protection. Multi functional product, perfect for travel use. With LED Voltmeter,Easy to use. With On/Off Switch ----- No need to plug in and out your charger, reduce wear and tear, expanding lifespan of the device. Waterproof dust proof material can be used for the interior and exterior application. Detachable design, the position of USB charger and voltage meter can be changed. Easy to install , these sit on the dash and fastened with 4 screws (included). Great for iPad, phone & for iPod - fast charging at full speed (2.1A for iPad for phone/for iPod and more). Install in any 12V-24V motorbike, Boat, Riding mower, tractor or car. Apply to all USB charging mobile phones or other electronic products. Run multiple accessories at one for time, very convenient and easy to use. Specifications: Item Type: 4 USB Adapter Charger + Digital Voltmeter With Switch Material: ABS + Metal Housing Color: Black LED Voltage Display: Blue/Red/Green (Optional) Panel Size: 13.44.9cm Power cable length: 20cm. (1) USB Charger: Operating voltage: 12V-24V Interface: 4 USB Output: for DC 5V 2.1A Indicator: Blue LED - Widely used with electric equipment for power supply: Vehicle,GPS, mobile phone, camera, mp3 (cannot smoke) - Allow any automotive with a cigarette plug attachment to be used with these surface mount cigarette sockets. (2) Voltage Meter: Operating Range: for DC 6-30V Display: LED Digital display The meter has easy to read red LED segments and connect to your 12 volt system Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 4.No retail package Package includes: 1 X Four USB Socket LED Voltmeter Car Charger Adapter With Switch 4 X Screws