NEW MODEL WITH METAL HEAD Wasp V3 fixed pitch helicopter with metal head. Latest version with finer gears and fiberglass landing gear. This kit is ARF: Includes everything except the receiver. All servos, gyro, brushless motor and even batter with battery charger. Training legs also included. Specification: main roror diameter 440mm main motor type 4500KV brushless main body length 455mm Average flight time; app:7-10min Weight 320g Battery type 11.1V 900mAh LIPO Radio system 4ch BL ESC: 18A