LUCKSTAR(TM) Double Blade Anti-collision Drop Resistance 4CH 2.4G Remote Control Quadcopter/RC Helicopter/Gyro/Aircraft For 14 Years Old Above Remote Control Range: About100 meters Helicopter Battery: 7.4V/600 mAh Li-Po Charging time: 60-90 minutes Weight: 170g. Quadcopter Size: 250mmx 195mm x 130mm