Feature 1、3 IN 1 INFLATABLE PUMP: Portable pump for inflatables combine inflation, deflation and LED light, ideal for travel and outdoor use. The hanging loop and LED light is wonderful for camping. The mini pump measure 3.54x2.16 inches and weighs 0.48 pounds, easy to carry 2、4000mAh RECHARGEABLE BATTERY: The portable pump has a built in 4000mAh rechargeable battery, which can be charged by a charger, computer and bank power. The large capacity battery make it work longer. The LED display can clearly see the remaining power. It takes about 5 hours to fully charge 3、FAST INFLATION OR DEFLATION: The maximum pressure of the mattress pump is 4kPa, and has an airflow of 280L/min, which can quickly inflate and deflate inflatable products. Take about 100 seconds to inflate an inflatable mattress, about 15‑20 seconds to inflate a swimming pool, and only 5‑10 seconds to deflat a vacuum storage bag(depending on the size of the product). In addition, can also help to quickly start a fire when camping 4、EASY TO USE: The portable pump for pool floats have only one switch and is easy to use. Choose the correct nozzles what we provide to the inflation or deflation port. Long press the button for 2s to turn on, long press to turn off(for inflation and deflation). Double click the button to turn on or off the lamp, short press to switch lighting strength of 2 modes(for camping light) 5、AUTO SHUT OFF: The travel pump has an automatic power off function to prevent overheating. The electric pump for inflatables will automatically shut down after 8 minutes of continuous use Item Type: Inflatables Portable Pump Battery Type: Lithium battery, 4000mAh Material: ABS Size: Approx. 9 x 5.5cm / 3.54 x 2.16in Weight: 217 g / 0.48 lb(approx.) Package List 1 x Inflatable Pump 4 x Adapters 1 x Charging Cable 1 x Storage Bag 1 x User Manual