Detachable Fan BladesDesigned with removable fan blades, this portable USB tent fan is easy to carry, store and clean. It takes up very little space in your backpack, an ideal companion for outdoor events. 2/1 Camping Fan for Tent Campers Versatile camping gadgets combine camp fan & tent light for camping . Camping fan equipped with remote control to operate, it can set wireless 4 speed setting , you can 360 degree rotation vertically and horizontally,ventilating air efficiently ; designed with 7 brightness settings LED lantern for purposes like reading, illumination and playing. Long Battery LifePower: 4.4W, voltage: 5V , built in rechargeable 8000mAh battery, fast charge by 10 hours , battery life can last for 7-16 hours (depending on the speed). If you only use the tent lantern function, you can use 200-440 hours (dependingon the brightness). 1M long USB charging cable meet to charge up anytime and anywhere. The fan can be charged by computer, laptop, mobile power, USB charger, mobile phone adapter etc. for both indoors & outdoors. Remote Control & Timer FunctionThis battery operated camping fan is featured with remote control, which allows you to adjust wind speed gear, timer easily when you are lying on the dormitory bed or in your tent. It delivers powerful airflow to makeyou refreshed from sweaty. Besides, there are 4 timer modes for option: 2/4/6/8 hours. Multi-use in your LifeThis tent fan has a built-in hook on the top, you can hang it anywhere you want to, on the tent, on the branches, on the wall , in the car and so on. With its built-in large capacity battery and easy to reach power source, justgrab it and go without worry about battery running out when outside, its a lifesaver in camping trip and hurricane season and other emergency outage.