Zex 82045 Plug-in Nitrous Bottle HeaterBottle Heater Control Style: Thermostatically controlled Power Supply: 12 V DC Heating your bottle to achieve 900 1000 psi is the key to ultimate performance (Esp. when operating in cooler temperatures) No wires to hook up, simply plug into your cigarette lighter or power port Calibrated for specific pressure range, max HP & consistent nitrous flow for engine safety Thermostatically controlled to ensure optimum bottle temperature is reached &