1，Ready- to- fly with a 2 Channel controller.2，Newly designed electricity saving function.3，This product has high-stability.4，Before experiencing the flying excitement，please read this manual to learn how tooperate it properly and safely.Helicopter size: Approx.220 x 350 x 100mm (L x W x H)Remote control size: approx.132 x 135 x 36mm (L x W x H)Net weight of packing: 300gPackage Included:1 x 2-Channel Helicopter1 x Remote Control