Wltoys V911-pro V911-V2 4 Channel 2.4GHz Gyroscope RC Helicopter Black & Red (Mode 1) Dimensions: (8.66 x 1.97 x 3.23)" / (22 x 5 x 8.2)cm (L x W x H) . Weight: 595 g / 20.99 oz . Color: Black Red . Material: Plastic ,Alloy . Channel: 4 . Model: V911-V2 . Remote Control Battery: 6 x 1.5V AA Battery . Main Rotor Diameter: 7.56" / 192 mm . Fit Ages: 14 . Flight Time: 5-6 Minutes . Charging Time: 30 Minutes . Remote Control Flight Distance: 25 ~ 35 meters . Battery: 150mAh . Package Includes . 1 x Helicopter . 1 x Transmitter . 1 x Manual . 1 x USB Cable . 2 x Rotor . 2 x Battery . 1 x Charger