New single bottle and re-designed three bottle gel warmer warms ultrasound gel to body temperature. Durable wall-mountable construction with warranty. Available in 120V and 230V Hospital grade plug and power cord UL and CSA listed Maintains constant temperature Low electrical demand High density impact-resistant composite Heat indicator Lamp Adjustable thermostat (multi-bottle unit only) illuminated power ON/OFF?switch (multi-bottle unit only)