JEGS 3/4'' x 4-1/8'' long fully contained heater housing features a stainless steel outer sleeve to avoid direct oil contact with the 200W element. Plugs into a 110/120 volt source to add 50-60° to 5 qt. of oil in 15 minutes or up to 175-180° in 45 minutes! Installs into an aluminum wet sump oil pan (room permitting) or into an aluminum dry sump reservoir. Includes -12AN aluminum weld bung and 12" power cord. Draws only 1.67A @ 120V. .