Getmore QS5012 2 Channel 2.4GHz I/R Infrared Semi-micro RC Helicopter Good Christmas Gift for 14 years old Children Dimensions: (3.35 x 0.71 x 2.01)" / (8.5 x 1.8 x 5.1)cm (L x W x H). Weight: 4.09 oz / 116 g Body Material: Plastic. Main Rotor Diameter: 2.95" / 75mm. Tail Rotor Diameter: 0.79" / 20mm. Required Radio: 2Channel. Frequency: 2.4G Transmitter. Remote Distance: 10-15 meters. Remote Control Power Supply: 4 x 1.5V AA batteries(not included). Helicopter Battery: Rechargeable 75mAh Lithium Battery. Charging Time: Approach 25 minutes. Flight Time: Approach 6 minutes. With infrared function, it is advance and high-tech. It is suitable for both indoor and outdoor flying. Package Includes: Package Includes: 1 x Helicopter, 1 x Romote Controller, 1 x User Manual