The MotorVac Cool Smoke EVAP Leak Detection System, No. 500-0100, features a patented process that does not use a heat source to generate it's UV dye-enhanced smoke. The Cool Smoke uses 0.5 psi pressure control, and a 12V DC with only a 1A draw rate. This unit produces a high-density smoke immediately, with no warm-up time required, and does not require the use of nitrogen or other inert gases. Additional features include: a dual-mode leak detection feature, pressure and vacuum leak diagnostics, automatic shut-off , easy read flow gauge, smoke solution with UV enhanced dye, accessory kit and 50-watt light to locate leaks.