Mini Chinook Main rotor diameter is 130mm (5.25-inch) Length: 170mm (6.5-inch) excluding rotors Rear rotor diameter is 30mm (1.25-inch) Product weight: only 10g, including flight battery Rechargeable flight battery: high-capacity integral lithium-polymer battery Charger: integral transmitter/charger supplied with LED indicator/auto shut-off Simply plug-in and charge Easy to use connections Charging time: 6 to 8 minutes for full charge Flight duration: 10 minutes or more between charges Packing Size: 66*39*69 CM Certificate: CE/ROHS Batteries required: 6 x 1.5V AA alkaline batteries for transmitter/charger