The S-Thunder IGG-2 Series Gas Landmine is a reusable in ground pressure activated war game product that sprays water to simulate explosions. Easy to maintain and operate, the IGG-2 series utilizes S-Thunder's patent pending technology to offer a realistic simulation of an authentic battlefield experience. The water spray is over 3 meters high with spraying time of approximately 2-3 seconds. The unit can be used with a 12oz CO₂ cartridge. For condensed gas, the use of S-Thunder's Condensed Gas Cylinder (TGC-004), is recommended (Sold Separately).