About version 6.0, all tank series are divided into three versions and configurations, which are basic version, upgraded version and professional version. 

Basic Version - Metal Rocker, Infrared Battle System

Upgrade Version- Metal Rocker, Infrared Battle System, Steel Gearbox

Professional Version - Metal Rocker, Infrared Battle System, Infrared Receiver, Metal Drive Wheel, Metal Induction Wheel, Metal Track, Steel box

The Panzer III Sd Kfz Plastic Edition is available as an airsoft BB model and is RTR out of the box. The 12085 tank feature a two tone camo scheme. This Panzer III tank comes with a plastic chassis, plastic drive wheels, plastic idler wheels, plastic road wheels, plastic return rollers, plastic caterpillar tracks, plastic turret, plastic LED headlights, plastic suspension arms, plastic gun barrel, and metal gearboxes (Zinc, 3:1, M/L, 48mm shaft). This tank also comes with an accessory kit, 2000mAh NIMH battery and charger, a smoke unit, LED machine gun, speaker, recoil, and 2.4 GHz transmitter.

Features:

• Metal Gearboxes (Middle/Low, 3:1, 48mm)
• Plastic Chassis
• Plastic Turret
• Plastic Drive Wheels
• Plastic Idler Wheels
• Plastic Road Wheels
• Plastic Caterpillar Tracks
• Plastic Gun Barrel
• LED Headlights
• Plastic Suspension Arms
• Track Recoil When Firing
• Smoke Unit
• Realistic Sounds