Product Description Special for cleaning contact lens, only takes 2 minutes to Wipe off the protein pricipitate by ultrasonic wave(it takes 6~8 hours by chemical) Special frequency decided for cleaning the contact lens: 120kHz Globally general power supply: AC100~240V Result of a companys profession, similar products have been appeared in the world. Specification: Tank capacity: 8ml Power supply: 7W-AC 100° 240V, 50/60Hz Unit size: 104*70*50mm Gift box size: 235*140*60mm Carton size: 490*340*440mm Unit weight: 0.09kg Unit weight whth gift boz: 0.36kg Package detail: Packing No.: 30PCS/CTN Gross weight: 11.3kg/CTN 1*20GP 9900PCS 1*40GP 20000PCS 1*40HQ 237600PCS