R/C 2.4 RUSSIAN KV-1, INFRARED TAIGEN 1/16 The KV-1 comes with an infrared firing unit and is RTR out of the box. Just add your AAs and you are set! This tank comes with a metal chassis, metal torsion bar suspension system, metal suspension arms, metal drive wheels, metal track tensioner, metal idler wheels, metal road wheels, metal return rollers, LED headlight, metal toolboxes, metal tow hooks, metal gearboxes (Mid-Low/3:1/Zinc/48mm/TAG120005), and metal caterpillar tracks. This tank also comes with a 2000mAh battery and charger, LED machine gun, an accessory box, a smoke unit, speaker, and has track and barrel recoil when firing.