Product parametersName: UAV LED light-emitting noise reduction propellerColor: transparentMaterial: PCSize: 153 24.5 16.5mmProduct gross weight: 158.6gBattery life: 1h charging, 1.5h useWorking temperature: -10 -60Storage temperature: -10 - 45Battery capacity: 30mAhPrecautions After installing the flashing propellers, if one or more propellers do not rotate when unlocking the motor, it is normal to unlock the motor again until all four propellers rotate at the same time. When the motor is unlocked and the propellers do not rotate, a message indicating that the motor is stuck or abnormal may appear on the remote control. This can be ignored. The abnormal prompt will disappear when the propellers start completely normally;It is not recommended to mix and match with original blades;The product uses a lithium-ion battery inside. After initial use or long-term storage, it should be fully charged before use;The paddle cannot be folded;packing list ;2 pairs of propellers for DJI Mini 4 Pro/Mini 3 Pro drone,1 x mini screwdriver,1 x charging cable