This is a brand new miniature size & light weight infrared control helicopter Combined with its light weight, durable build material and stability control system, this is one of the easiest R/C helicopters you'll ever navigate. Each unit includes a built-in rechargeable battery, which can easily be charged with the actual remote control without plug it into the wall or A/C adapter. With its 2 channel infrared technology and selectable frequencies, you can fly up to 3 helicopters at the same time.