Product info:The HuiNa 8-Channel 2.4G bulldozer is a scale RC model of a real bulldozer with rear scarifier that works just like the real thing. The frame is made of plàstic with some parts of alloy while the tread resist slip and wear, making it possible to climb effortlessly. The 2.4GHz transmitter allows for 8 seperate functions. 2.4GHz technology allows for multiple models to run at the same time without interference. HuiNa 8 Channel Bulldozer Features:• 8 channel transmitter with different keys and functions• 2.4GHz radio system enables you to control the vehicle up to 100m• Realistic scale detailingSpec Check:• Scale: 1:16• Dimensions: 16x20x38cm• Functions: Forward, backward, left, right,bucket rise and decline, scarifier rise and decline, light and motor sound• Radio: 2.4GHz• Channels: 8-Channels• Transmitter Power: 2 x 1.5V AA Bateria (not included)• Racing Time: About 15-20mins• Charging Time: 120 Minutes• Package Includes: 1 x RC Bulldozer, 1 x 7.4V 600mAh Bateria, 1 x Transmitter, 1 x USB Cable & ManualPlease Note: This model is sold in RTR (ready-to-run) format but requires 2 x AA batteries for completion.