Product name: Butterfly quadcopter UAV Item number: 4D-V40 Function description: gravity induction trick rolling cool light before and after induction Body light: high brightness LED light Size: 16.5*21.5*6.5cm/6.5*8.46*2.56 inches Material: EPP/ plastic Battery life: 8 minutes Power: quadrotor output Signal: 2.4G Battery: Removable module battery High-quality material: Remote control UAV external made of high toughness EPP material, resistant to fall and collision, not easy to damage. The fully enclosed propeller ensures safety and will not harm you. Dual control mode: The quadcopter can be controlled by remote control or gravity induction. The 2.4GHz remote control signal is stable and supports multiple drones to play at the same time without interference. Intelligent induction obstacle avoidance, front induction automatic right turn after induction, automatic forward to avoid the risk of impact. Stunt Tumbling and Dazzling Light: Remote-controlled drones can perform stunt tumbling, providing thrilling aerial acrobatics. Its soft colored lights not only add to its appeal, but also ensure the safety and visibility of flying at night. Easy to operate: with one-click take-off, landing, emergency stop, headless mode, automatic altitude maintenance and other functions, during the flight, the unmanned vehicle will automatically maintain real-time stability, easy to use. This gravity-sensing drone is designed to be easy to operate, making it perfect for beginners to quickly get the hang of it. 4 turbofan structure power source upgrade, surging power, more fierce output. Removable battery: The remote-controlled quadcopter is equipped with 3.7V 550mAh batteries, each of which provides up to 8 minutes of flight time. The removable battery design allows for quick and easy battery replacement.