Systane Gel Drops Soothing Dry Eye Relief, 1 Each Crutches Aluminum Three prophylactics per box Style:Right Ear Three prophylactics per box 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 Indulge your eyes in this easy to use droppable gel Systane gel drops form a protective shield over your eyes to provide enduring relief day or night