RP Digital Thaw Unit 120V AC / 12V DC - The new RP Digital Thaw Unit is designed with a NO-TIP base that prevents accidental tipping and makes it more user friendly in the field. The digital temperature controller is programmed with a PID control system that monitors temperature and controls power to accurately maintain temperature without overshooting the intended target. Ideal for use in a lab or as a mobile unit in a vehicle. Proudly made In The U.S.A.