2.4Gzh Radio Remote Controlled--No longer limited to stuck lines of wired remote controller without any interference. The tower is equipped with a 4.8V 300mah rechargeable battery with a USB charging cable. Every 3-4h charging time supports 30-50mins playing time. (Extra spare battery: B076WT54CQ) The remote control requires 2*1.5V AA batteries (not included). A very creative toy for your kids to play and improve their hands-on ability and imagination capacity. It is a good choice for boys or girls as a Birthday Present and indoor ornaments Manufacturered by NNA. LIFT-UP CRANE. Children easily lift lower and move the included log and bucket during fun construction play. Fascinating precious minds the crawler crane moves small objects wherever the child wants. High Simulation The RC tower crane is high simulation is great part for replacementquality material safe non-toxic portable and durable for long serve time. The Construction Crane Toys construction Mega crane: Mega toy for Mega fun!