ITEM NAME:L4 Car Dual USB Charger QC3.0 USB Power Outlet w/ Voltmeter+ Switch (Black) A#S Product Description Description: L4 Dual QC3.0 USB Charger Quick Charge 3.0 USB Socket Adapter Power Outlet with Voltmeter + Switch for 12V-24V Car Boat Motorcycle Specification: Output interface: USB port * 2 Output current: ≠¤3000mA Output voltage: ≠¤5 V Fast charge agreement: QC3.0 version Maximum power: 18 W Voltage display range: 4-28V Voltage error:  ±0.1V Current display range: no Current error:  ±0.1A No-load power: 0.18W Input voltage: 12-24V Input current: ≠¤3A Overcharge protection: prevent digital device overcharge Overload protection: prevent insufficient load when charging high-power digital devices Over-current protection: prevent instantaneous large current from burning digital devices Over-temperature protection: automatic protection when the temperature is too high Undervoltage protection: prevent digital devices voltage from being too low Anti-installation protection: protect the positive and negative poles from wrong wiring Short circuit protection: automatic protection in case of short circuit Working environment: temperature: -40~+60  °C, humidity: ≠¤90% Storage environment: temperature: -20~+40  °C, humidity: ≠¤90% Material: shell: environmentally friendly flame retardant ABS, USB port: phosphor copper Size: Maximum diameter 37.0mm/1.46", opening diameter 29-30mm/1.14-1.18", length 39.0mm/1.54" Touch switch: touch the switch for 1-2 seconds to control the USB power on/off state Shell color: Black/Red/Gold/Blue (Optional) Light color: Blue (Black/Blue Shell), Red (Red Shell), Green (Gold Shell) Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X USB Charger.Output interface: USB port 2. Over-temperature protection: automatic protection when the temperature is too high. Short circuit protection: automatic protection in case of short circuit. Light color: Blue (Black/Blue Shell), Red (Red Shell), Green (Gold Shell).
