Colpac Chilling Unit #C 5 Hot Cold Therapy 3 MHz applicator * All Wrist and Hand 3 MHz applicator * All three applicators can be stored on the unit itself to keep them available at all times * The Sonicator 740 is 1 and 3 MHz therapeutic ultrasound unit which comes with a 5 cm˝ dual frequency applicator * It is light weight and portable and features a universal applicator cable to make changing applicators quick and easy * There is an optional rechargeable lithium ion battery pack that truly allows you to take therapy on the road with you * Large soft touch controls let you set up treatments quickly and easily and the backlit display shows all treatment parameters and conditions * Weight: 3 Item Type: Thermometers * Complete with 6 standard size ColPacs and 6 half size ColPacs * Closed cell foam insulation for efficiency * Drain valve for easy cleaning defrosting * Stainless steel welded construction for life * Heavy duty compressor for more efficient cooling * Specially designed interior chilling coils in cool packs faster * 3 (8 cm) swivel type rubber casters for silent friction free movement of mobile units * UL listed (120 Volt)