Product info:The HuiNa 12-Channel 2.4G Tower Crane is a scale model of a construction crane that works just like the real thing. The powerful motor allows for lifting heavy weights. The 2.4GHz transmitter allows for 7 seperate functions. 2.4GHz technology allows for multiple models to run at the same time without interference. The die-cast cab also features lights and sound for the ultimate in scale realism. HuiNa 8 Channel Tower Crane Features:Spec Check:Please Note: This model requires 2 x AA batteries for completion.