Description: Ultrasonic Watch Cleaner: The professional ultrasonic cleaner utilizes the cavitation effect of ultrasonic wave to produce 45000Hz ultrasonic wave, achieve 360° all-round high effective deep cleaning to make your items looking brand new again by using tap water. High Quality Materials: The jewelry cleaner features ABS material,no pollution,large dust-proof cover design, waterproof and elegant appearance. Powered by 2 pieces AA batteries.(Not included) Energy Efficient Cleaner: One button operation design, easy to operate.Initiates ultrasonic cleaner machine about 5-15 minute auto-cleaning,without damaging your valuables while refreshing them as new. Quiet Operation: The suspensions design of the inner cavity reduces the medium hitting each other so as to reduce noise under about 50dB. 4 piece non-slip rubber pads on the bottom is used to offer extra support and avoid scratches. Wide Range Applications: The ultrasonic cleaner can clean various items like glasses,watches,jewelry, tableware, dentures,shaver, razor, makeup brushes, toys of kids,and so on. Specification: Materials: ABS plastic Total Size: L x W x H Approx. 210x95x75mm/8.27x3.74x2.95inch Inner Slot Size: L x W x H Approx. 152x70x40mm/5.98x2.76x1.57inch Package Includes: 1 Piece Ultrasonic Watches Cleaner Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!