Functions: 4CH design, low voltage alarm, rudder capacity conversion, and hovering midpoint setting. Easy to Fly: The aileron-free and aerodynamic design can provide strong power and guarantee body stability. Together with the function of one-key taking off and landing, the product is easier to control and more suitable for novices. Altitude Hold: With the function of air pressure height setting, the flight is super stable. The aircraft can sense the surrounding environment and ensure stable hovering during the outdoor flight. Strong Power: The application of an 8520 coreless motor and a 3.7V 400mAh 20C battery can provide strong power for the aircraft. Easy to Replace: The tail motor is connected with a detachable plug, which makes it more convenient for you to replace it. ASIN B093QCJ5PB Size 28*8.3*6cm Color Multicolour Theme helicopter Set Name 1 Brand Name GoolRC Model Name K127 Unit Count 1.0 Count Item Weight 0.63 Kilograms Manufacturer GoolRC Model Number K127 Power Source Battery Powered Material Type Plastic Operation Mode Remote Control Number of Items 1 Toy Vehicle Form Helicopter Number of Players 1 Additional Features Portable Battery Description Lithium-Ion Included Components '1* Helicopter', '1* Remote Control', '1* Instruction', '2* Propellers', '1* USB Charging Cable', '3* Helicopter Batteries' Number of Batteries 3 Nonstandard Battery batteries required. (included) Is Assembly Required Yes Age Range Description Kid Are Batteries Required Yes Batteries are Included Yes Manufacturer Part Number DHH2347826660399UO Manufacturer Maximum Age MONTHS 840.00 Manufacturer Minimum Age MONTHS 192.0