Material used : ABS Battery type : Polymer battery Remote battery type and size : 20mm button cell Battery capacity : 20000mAh Power Max/Working Power : 15 watts Type-C Input/Output : DC 5V-3A USB Output : DC 5V-3A Charging port : USB Type C Light source : LED LED brightness : 120lm Weight : 1.3kg (5% ±) Color : Black + Green Product size : 22.3×11.4×28.4cm Packaging dimension : H 29.3cm x L 22.7cm x W 11.3cm Charging time : 9-10 hours (Test with 5V-3A charger, use charging equipment lower than 5V-3A, charging time will be slightly longer) Fan working time : Level 1-around 58 hours Level 2-around 32 hours Level 3-around 19 hours Level 4-around 12 hours Lighting time : Level 1-around 138 hours Level 2-around 78 hours Level 3-around 39 hours Fan oscillating time : Level 1-around 31 hours Level 2-around 21 hours Level 3-around 15 hours Level 4-around 10 hours Features and Selling points : It can use as emergency and portable power bank for various outdoor activities with 20,000 mAh rechargeable built in battery. With remote control that can use in each fucntion ranging up to 5meters away. With adjustable LED light for outdoor activities. The fan could set to Auto swing by 90 degree or 45 degree as you need. The hook has a 360°rotating and foldable function which you can hang anywhere. Adjustable Fan speed and light, which has light indicator for reference and Timer/Sleep Mode: you can set it to run as long as you like (1h/2h/4h/8h), for energy saving.