Note: The machine must be immersed in water when in use. Do not turn on the machine without being immersed in water. Ultrasonic Frequency: 50KHz Housing: High hardness aluminum alloy Power Supply: AC 100 ~ 120V , 50 / 60Hz Ultrasonic Power: 50W(Max)-AC100-120V Timer: 10 minutes (Easy One-button operation) External size (Power supply): 3.5" L x 2.6" W x 1.6" H(88 x 65x 40 mm) External size (Ultrasonic transducer): 1.3" x 3.7" ( Dia. x H )( 32x 93 mm) N.W./pc: 0.8lb (360g) Suitable sink capacity: 3-5L Application Range Family, Office, Beauty salon, Laboratory, Electron workshop, Glasses shop, Jewelry shop, Clock shop, Watch shop, Mobile phone repair shop, Hospital dentistry, etc. Underclothes, fruits and vegetables,kitchen tools, personal care tools. Feeding bottle and nipple,Denture, Toothbrush, Cosmetic brush,Metal dishware ,household hardware, Comb, Razor Jewelry,Necklace, Bracelet, Ring, Earring, Badge, Stickpin. Glasses, Sun glasses, Watchband, Waterproof watch,Disk(CD,VCD,DVD), Seal, Pen-head, Printer- head,electronic components, mechanical parts, , Ancient coin, Valve, Machine nozzle, cartridge case Parts of Car and Motorcycle, Golf Appliance Lab Tools, Instrument and Fitting,etc. A full set including: 1×ultrasonic transducer part 1×power supply part 1×English user manual 1×gift box