USB Power Boost Cable 5V to DC9V Boost Conversion Cable with 8DC Heads Adapter Specification: Name: USB Power Booster Cable Input voltage: DC5V (compatible with 5V power supply equipment) Output voltage: DC5V 9V 12V Output power: about 6W-7W (output current: 7W/voltage = current) Wire length: 1M Number of connectors: 8PCS Connector type: as shown in the picture (please see the purchase) Usage: As long as the voltage is compatible, suitable for power about 6W-7W products, such as: routers, optical cats, electric mosquito coils, fluorescent boards, cameras, car recorders, electronic dogs, medical equipment, breast pumps, light-emitting LEDs and other series of products ... Package Included: 1*USB power boost cable 8*Adapter Note: 1. There is a 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. 2. Please note that a slight color difference should be acceptable due to the light and screen.