E99 Pro Drone Quadcopter

Welcome to our shop If a fan blade does not rotate or rotates too slowly, check the following:   1. The drone must be placed on a level surface before it can begin to prepare for flight. If it is not on the horizontal plane, the engine will lose balance and the wind blades will not be able to rotate;   2. Drones should not be operated by hand. Not only can the engine not balance, but also cause danger!   3. After the initial calibration, gently push up the left lever, and the UAV's wind blade will only rotate but not fly, which means that the standby state is unlocked. Currently, drones have very low engine power. If it does not rotate or rotates very slowly, this is normal; At this point, push the left joystick up again, and the drone will fly normally. Please note: Please read the instructions carefully before use. If you are a beginner, an experienced adult is recommended to help you. Be careful with the battery: do not overcharge or overdischarge it. Do not place it under high