Multi-purpose: Perfect for cleaning the following items:
Jewelry Stores: Necklace, earring; Chain bracelet; Cutter for battery
Shaver; Nib; Coin; Badge;
Glasses Stores: Eye Glasses, optic; Contact lens accessories
Others: Dentures; Water Proof Watches, ink jet printing head;
Tableware; Small Machined metal parts

Detail description:
Ultrasonic Frequency: 42, 000 Hz
Inside Material: Stainless SUS 304
Outside Material: ABS
Capacity: 600ml (1 pint)
Time: 3 minutes Auto Cut - off
Source: AC 100v ~ 120v; 50 / 60Hz AC 220V ~ 240V; 50 Hz
Power: 35W (220V)
Overall Size: 200 x 125 x 140 mm (L x W x H)
Inside Size: 160 x 100 x 55 mm (L x W x H)
Packaging Size: 265 x 170 x 185 mm (L x W x H)
N. W.: 0.78kgs
G. W.: 1.02kgs

Packaging:
Each PC/color box; 12PCS/ carton.
MEAS: 540 x 530 x 380mm
G. W.: 20KGS
Certificate: CE, GS, ETL(USA $ Canada), PSE