This is the Electric Powered 2.4GHz Radio Controlled. Ready to Fly Proto X Nano Quadcopter from Estes. For Ages 14 and Above. For Indoor Use Only. . FEATURES: Plastic body with window and trim detail. LED light indicates front and back of the heli and also helps in. low light flying. 4-channel 2.4GHz Radio with digital trims. Four micro motors. 100mAh 3.7V LiPo battery. USB charge cord. One-piece PCB frame. . INCLUDES: RTF Proto X Nano Quadcopter 2.4GHz Radio LiPo Battery USB Charge. Cord 4 spare rotor blades and Instructions. . REQUIRES: AAA Batteries: Two for transmitter. . SPECS: Dimensions: 1.8 x 1.8 (45 x 45mm). Weight: 0.40oz (11.5g). . COMMENTS: For additional information or support for this item please use. these resources:. Email: airsupport@hobbico. Web Site: http://hobbico/. Phone: 217-398-8970. . Due to its very small size the Proto-X has a built-in LiPo battery. that is not designed for replacement. Attempting to remove or. replace the Lipo battery will likely damage the quadcopter. In. addition precise placement of the battery is critical for proper. CG balance and performance and isnt recommended for consumer. replacement.