Heating your nitrous bottle to achieve 900-1000 psi is the key to ultimate nitrous system performance. Calibrated for specific pressure range, max HP & consistent nitrous flow for engine safety; Thermostatically controlled to ensure optimum bottle temperature is reached and maintained; Requires user to wire two wires to 12 volt + and Negative Ground; Plug-in version (Part #82045) available; no wires to hook-up, simply plug into your cigarette lighter or power port; Adjustable Nitrous Bottle Heater (Part #82369) is pressure controlled to safely maintain ideal nitrous pressure; Velcro straps for fast and easy installation on the bottle; Electrical components are pre-assembled and molded into heaters for ease of installation