Holy Stone HS170 Predator Mini RC Helicopter Drone 2.4Ghz 6-Axis Gyro 4 Channels Quadcopter Good Choice for Drone Training HEADLESS SECURITY SYSTEM Enables players of any level to fly the drone easily 2.4GHz Technology Adopted for Anti-Interference More Stable and Flexible with 6-Axis Gyro Stabilization System Good Performance of Wind-Resistant Control Range: About 30-50 Meters Flight Time: About 6-8 minutes Charging Time: About 45-60 minutes (Under currents input 0.5A-1A) 1 x Quadcopter 1 x 2.4G Remote controller (AA batteries not included) 1 x 3.7V 350mAh Li-ion battery 4 x Additional blades 1 x USB charger 1 x Screwdriver 1 x User Manual 1 x Propellers crowbar