Features: - Excellent and Accelerated QC3.0 Fast Charging Speed Rapidly recharges your device to ensure you get the most power in the shortest time. - 4 USB Ports Conveniently connect four devices and charge them all at full speed. - Wide Voltage Input DC 12V - 24V Input range, covers most common cars, trucks, and boats. - Reliable Power3S Safety Consists of Over Voltage Protection, Over Current Protection and Short Circuit Protection.