Eachine GPS with 4K HD Camera Mini Drone Quadcopter Optical flow positioning Foldable Wifi 1.8KM Profesional Dron RC Helicopter Transmitter Low Voltage Warning: Yes (Less

Low Voltage Warning: Yes (Less than 3

Signal strength telemetry

but in order to improve efficiency

including steering drag link

Eachine GPS with 4K HD Camera Mini Drone Quadcopter Optical flow positioning Foldable Wifi 1.8KM Profesional Dron RC Helicopter Transmitter Low Voltage Warning: Yes (LessEachine GPS with 4K HD Camera Mini Drone Quadcopter Optical flow positioning Foldable Wifi 1. 8KM Profesional Dron RC Helicopter Notice: Due to the long distance of the transportation,the box maybe crushed. Pls don't mind and not give bad reviews. Hope you understand. Thank you! K20 HD Drone Cameras Item No: K20 Material: Plastic ABS Quadcopter Battery: 11. 1V 1800mAh Lithium Battery Flying Time: about 25 minutes Charging Time: about 120 minutes