Ultrasonic cleaner features: 1: just use tap water to clean 2: outstanding cleaning effect with visible transparent lid 3: 3 minutes automatically shut-off 4: after cleaning, the subjects will be shining Ultrasonic cleaner application: 1: jewelry and watches necklaces, earrings, rings, bracelets, coins, watches straps and bands etc. 2: eye care :glasses, sunglasses, contact lens accessories 3: daily personal care: dentures, combs, toothbrushes, table wares Ultrasonic cleaner specification: Ultrasonic power 35 w Tank material Stainless steel sus304 Frequency 40, 000 hz Tank size 400 ml Time control 3 minutes automatically shut-off Voltage Ac 220-240v 50/60 hz Ac 110-120v 60 hz Tank size 155*80*40mm (l*w*h) Exterior size 205*115*90mm (l*w*h) Package size 238*128*165 mm (l*w*h) G.W 0.78 kgs N.W 0.64kgs Ultrasonic cleaner packing details: Carton size (12 pcs) 490*410*355mm (l*w*h) Carton weight (12 pcs) 11kgs (gross) Volume weight (12 pcs) 16kg Volume (12 pcs) 0.074 cbm Packing term 12 pcs / carton 20' container 4300 pcs 40' container 9670 pcs