1X([ON/OFF Switch] This 12v usb outlet features a switch the customer need which can save power and prevent the battery being drained when leave unused.
[Dual QC3.0 USB Ports] Provides 4x faster charging speed to compatible devices. Backwards compatible with Quick Charge 2.0 & 1.0, delivers the fastest possible charge to all non-quick charge device.
[Wide Application] Fits for 12V/24V car, boat, marine, motorcycle, ATV, RV etc.
[All-round Protection] With over-load, over-current and short circuit protection to charging safety, this usb car charger the safety of your devices.

Specifications
Input Voltage: DC 12V-24V
Output Voltage: DC 3.6-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A
Product Dimension: 1.45 x 1.92 inches
Portiforium Dimension: 1.13 inches
Max Output: 36W(18W each)
Colour:Black
LED Voltmeter Color: Blue
Material:ABS

Contents:
1 * Dual USB QC3.0 Car Charger
1 * 23.7 Inches Wire with 10A fuses
Notes
1. The voltage will display by connecting to the battery.
2. Since the series does not support fast charging, charging the is normal speed.
3. For mobile phones support fast charging, you must use the charging cable or fast charging cable to achieve fast charging.
4. For vehicles, it's recommanded to power from fuse box, while for the motorcycle, better to the of the key switch.)