1/16 Russian KV-1's Ehkranami Airsoft RC Battle Tank w/ Sound & Smoking (Upgrade Version w/ Metal Gear & Tracks) Full Function Radio Controlled Realistic Suspension System SMOKE: Realistic smoke function SOUND: Simulative motor start-up sound, engine sound, machine-gun sound, cannonball sound, emulation action effect, the sound can be adjust. Note: Not for Children Under 10 Yrs Old