Optima Watch Repair Tool (Model: 68-011) Powerful unit that gently cleans in minutes without damaging delicate items 42,000 cycle ultrasonic energy wave feature cleans dirt, dust and grime away Digital program, 5 working cycles; choose freely (90, 180, 280, 380, 480 seconds). 60 watts and 42,000Hz energy wave of cleaning , power Supply: AC 100-120V 50/60 HZ **FREE Cleaning Concentrate Powder included**