The Bulldog is a top of the range RC tank from Heng Long and is almost 2 feet in length This tank is fully functional with multi-directional driving (and it's fast ), 320 degree turret swivel and the barrel raises and lowers. This tank has a BB gun that shoots standard 6mm BBs and a capacity of 40 pellets. And as if that wasn't enough this is the upgraded Pro version with working smoke generator, sound effects and some key upgraded metal parts including metal tracks making this a tougher and more reliable tank.The 1/16th scale Bulldog is a top of the range RC tank from Heng Long. It's a fully functional model with many upgrades over standard 1/16th tanks. Most noticeable are the upgraded metal tracks. This metal upgrade version also features metal sprocket wheel and metal gearbox which not only add to the realism but also makes it more reliable.Next very cool feature is the sound on this machine, the sound generator has 2 channels and can play 2 sounds simultaneously - in short you will hear the gun firing over the soundtrack of the engine and together with the smoke generator and BB airsoft gun adds to the authenticity of the bulldog. The cool smoke generator actually produces a small cloud of smoke from the exhaust The turret powers out plastic 6mm BB's and has a powerful red warning light, next to the barrel, that illuminates before firing. The realistic design is finished off perfectly with the included tank commander. This really is a high quality and superb looking model that when not being used makes an excellent display model.