DJI Original Inspire 1 Quadcopter TB48 5700mAh Intelligent Flight Battery Insulation Sticker Brand: DJI Apply the insulation sticker to the Intelligent Flight Battery when environmental temperatures are lower than 5 degrees Celsius and remove the sticker when environmental temperatures exceed 5 degrees Celsius Package included: Insulation Sticker x 1 Free touch screen stylus pen is included (Random color shipped)