Colour:black Material:Aluminum alloy Package Contents: 1 * Pump 1 * USB Cable 1 * 10 cm Air Hose 2 * Needle 1 * Swim Ring Nozzle Only the above package content, other are not included. Note: Light 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. [Automatic Electric Pump]Electric Pump with intelligent pressure detection and stop function,just preset the ,press to start and it will automatically stop inflating the preset pressure is reached. Smart and easy to use. [High-capacity Battery]Electric pump with 2000mAh rechargeable battery, inflate 30 balls on one charge, come with -USB charging cable, about 120 minutes to full . [Accurate Pressure Alignment] built-in Digital Pressure Gauge and LCD Display, you can preset a accurate to inflate your ,and then you could an accurate level of pressure () in balls. Makes inflating balls much easier without wasting time, you can focus, not on the , on . [Fast Pump-Free Your Hands and Save Your Energy]Air volume input: 4L/M, which finishes of a in just 1-2 minutes. No need to be sweating for pushing or pulling those manual pumps with your hands. Saving more energy to beat your opponent. [Portable Design]fit to in your bag, your or even your pocket. Allows you to take this mini pump to wherever you might need it to keep your balls inflated.With bright LED lights and backlight LCD display convenient to use the pump at night or in dark .