This is the 2.4GHz Radio Controlled, Electric Powered Ready to Fly Heli-Max Axe 100 FP Flybarless Helicopter. For Ages 14 and Older. FEATURES: Rotor Head: Flybarless fixed pitch, designed for forgiving flights Radio: Heli-Max TX410 2.4GHz with SLT receiver and rotary drive digital servos with full case design, digital trims and beginner and expert modes Gyro: TAGs (Triple Axis Gyro Stabilization) system gives stability to the yaw, roll and pitch axes Battery: 3.7V 1S 150mAh LiPo Battery Charger: USB compatible Warranty: Heli-Max guarantees this kit to be free from defects in both material and workmanship at the date of purchase. This warranty does not cover any component parts damaged by use or modification. INCLUDES: Axe 100 FP Helicopter, 2.4GHz Radio, Gyro, LiPo Battery, USB Charger, four AA Cells, Screwdriver and Instruction Manual SPECS: Rotor Diameter: 9.4" (239mm) RTF Weight w/battery: 1.3oz (37g) Length: 8.7 in (221mm) jxs 10/12/12 ir/jxs