Motop Electric Fan:

This little cool kit is just as great as a cold beer in a hot summer day. Removable design means this fan can go with you in or out of the tent.

Main features:
Slimline profile, store in your tent with ease: 60mm thick, 150mm wide, 180mm tall.
Rechargeable battery with superior durability: 4 hours on high speed, 6 hours on low speed or longer.
90-degree swivel head
Mount the fan and detach the fan in seconds with magnetic base
Adjustable fan speeds
Timer setting available