Size: 13" * 3.1" * 3.5" (L/W/H) / (33cm*8cm*8.8cm) Frequency: 2.4Ghz Remote Control Distance: about 20 meters Battery in Remote Control Unit: AA1.5V * 2( NOT included in product ) Battery in remote control bus: Ni-Cd AA300mAh 4.8V rechargeable batteries (VERY IMPORTANT: we will NOT ship the rechargeable batteries to you because now rechargeable batteries is not allowed to be shipped by post. Buyers should buy the rechargeable batteries from local store or other websites. Please don’t place the order if you can not prepare rechargeable batteries by yourself, and we can not accept refund with the reason that you can not find suitable rechargeable batteries. Sorry for the inconvenience and thanks for your understanding)