Remote Control plastic mini helicopter Specifications: Main Rotor Diameter: 5.25inches (130mm) Length 6.5inches (170mm) excluding rotors. Rear Rotor diameter 1.25inches (30mm) Helicopter weight: Only 10g, including Li-Poly battery Rechargeable Flight Battery: High capacity integral Lithium Polymer battery Charger: Integral Transmitter/Charger supplied with LED indicator/Auto shut off. Simply plug in and charge, with easy to use connections Flight duration: 12 to 15 minutes Charge time: 20-30 minutes for full charge Ready To Run: Supplied completely assembled and ready-to-fly, with pre-installed 2 Channel Proportional Infra Red Control System Range: Up to 100 feet (30 meters). Frequency: Infra Red Control System - Bands A, B & C allow up to three models to be flown at the same time.