Thermalator Stationary 4 Pack Unit Suction Aspirators Ultrasound Unit With 5 cm Mineral oil softens and Ultrasound Unit With 5 cm Applicator * 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 75 Seat Height: 18 22 Includes (4) standard hot packst * Size: 10 L x 8 W x 15 H * All Whitehall Thermalators feature thermostatically controlled water temperature seamless coved bottom for ease of cleaning lighted front mounted on off switch * Concealed heating element and snap off thermal protector to prevent overheating and hand burns *