ITEM NAME:QC3.0 Quick Charging 3 USB Port 9/12V 2.A US Plug Smart Phone Charger Hub #JT1 Product Description Description: Features: With short circuit, over voltage and full load protection. Overload protection when reaching 105%-150% power. Specification: Input: AC100-240V 50/60Hz 0.5A Output Power: 30W Port 1: DC3.6V-6.5V 3A, DC6.5V-9V 2A, DC9V-12V 1.5A Port 2: DC5V 2.4A (smart matching) Port 3: DC5V 2.4A (smart matching) Voltage Adjustment: 5% Efficiency: 85% Work Temperature: 0Â °C - 50Â °C Storage Temperature: -20Â °C - 80Â °C Output Ripple Noise: 80-150mVp Included: 1 X 3 USB Port Charging Hub.Included:1 X 3 USB Port Charging Hub. Port 2: DC5V 2.4A (smart matching). Port 3: DC5V 2.4A (smart matching). Port 1: DC3.6V-6.5V 3A, DC6.5V-9V 2A, DC9V-12V 1.5A. If item is defective after 3 months, you can still send it back to us.