From the product description:
"Digital proportional flight control enables smooth turns, climbs, and dives with the dual-stick remote. The ornithopter's frame is sturdy, lightweight plastic, with tear-resistant mylar covering the wings and tail. Its rechargeable lithium polymer battery provides seven minutes of flight after a five-minute charge from the controller. For indoor use only."
Here is the link for this miniature remote control ornithopter.