Ultrasonic frequency: 40,000Hz Material: stainless steel SUS304 Tank capacity: 6.5L Timer: 1-30 minutes, mechanical timer Isolated-circuit design, ... : Ultrasonic frequency: 40,000Hz Material: stainless steel SUS304 Tank capacity: 6.5L Timer: 1-30 minutes, mechanical timer Power supply: 100 ... x 440 x 360mm Carton weight (4pcs): 25kg Ultrasonic Cleaner with 6.5L Tank Capacity and 180W Ultrasonic Power