REVOLT Mini Heli measures just 10.2 x 2.5 x 6 cm (4 x 1\” x 2.36) but its packed with features typically found in larger remote-control helicopters. This 3 channel (2.4 GHz) mini helicopter offers exceptional agility and ease of flight with one-button take-off/landing and auto-hover. The REVOLT Mini Heli is extra tough and built to withstand crashes, making it great for first-time pilots to sharpen their flying skills. Intended for indoor use (or outdoors with little or no wind) Includes rechargeable Li-ion battery (3.7V/70 mAh), USB charging cable and replacement propellers. Assorted red & blue colours.