The Major Paintball Master Mine Paint Mine. New Patented product with unlimited reuse. It's very durable and compact. Only 11'' x 3.5'' x 1.5''. Venom refills are less than $1.00 per discharge and is powered by a 12 gram CO2 cartridge. Fast, easy set up so you don't blow your cover and it covers a large area of 400 to 600 sq/ft. Easy tool free tear down for cleaning. It has an ultra sensitive trigger that are covered by dual safeties and has a perimeter warning device. Fully adjustable spray pattern with a VERY loud discharge.