AUTO-STOP FUNCTION: Leak Protection,the sensitive auto-stop sensor stop the flowing timely when the fuel full, no worry about leak and overflow, clear and safe. TWO WAY POWER SUPPLY: AA battery operated or USB type-c cable to connect your Adapter or power bank.4 AA batteries or even 2 AA batteries in Emergencies. (NOTE:Batteries and Red Gas Can not Included) WIDELY USAGE SCENARIO: 4 different size cans adapters for most fuel cans, long 51inch hose, as light as 0.6kg to carry and drawstring bag to store, for non-portable water such as oil,, Gasoline Etc SUPER FAST SPEED: Transfer up to 3.2 GPM( Gallons per minutes) or 12.0 Liters with suffcient power supply, high speed but low Noise. AND SIMPLE OPERATION: Strong ABS shell, and flexible Polyethylene hose, Quality Components, advanced structure and skilled assembly for Long lasting. Simply operation with ON and OFF and LED Indicator to show working status. Color: Red Material: plastic Package Contents: 1 * Automatic Fuel Transfer Pump 4 * connectors 1 * USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.