40KHz Ultrasonic Frequence for Intensive Rinse: 40KHz ultrasonic frequency can be used to clean stuffs with complicated surfaces, such as blind holes and deep holes etc. Die-casting SUS304 Stainless Steel Tank: The inner cleaning tank of the devices is made with SUS304 stainless steel materials, and it makes the device be resistant to weak acid and weak alkali. User-friendly Control Panel with Simple Mechanical Controllers: The devices are equiped with two simple mechanical industrial controllers which have a long service life and make the devices be operated easily. Always ON or Free time setting among 1~20 minutes: Extensive time-setting range makes the device be freely set to work for any certain time based on the characters of the stuffs to be cleaned. 20~80°C Heating Range for Degreasing and Dewaxing: Heating function is helpful for reducing the adhesion strength of oil and wax so as to improve the cleaning effect, and generally the best cleaning temperature is among 40~60°C, i.e. 104~140°F. DK SONIC is a professional manufacturer of ultrasonic cleaners and has focused on the R&D of ultrasonic cleaners for more than 10 years. DK SONIC always bears in mind the "quality first, credit first" principle and tries to provide perfect products and great after-sales service. Specifications Tank Material: Stainless Steel SUS304 Heating Power: 200W Ultrasonic Power: 120W Frequency: 40kHz Power Supply: AC110V/60Hz Tank Capacity: 4L Time Setting: 1~20 Minutes or Always ON (LED Digital Display) Temperature Setting: Temp Settings within 0~80℃ Transducer Quantity: 2 sets Tank Size (L x W x H): 300*152*100 mm/11.8*6*3.9 in Product Size (L x W x H): 330*180*240 mm/13*7.09*9.45 in Package Contents 1 x Ultrasonic Cleaner 1 x Cleaning Basket 1 x Stainless Steel Cover 1 x Power Supply 1 x Instruction Manual