Portable MINI - Use a 5oz (150ml) tank of water for cleaning. Both small and large jewellery can be completely soaked and cleaned with tap water.Saves time - Powered by 1 x 5AA battery (not included), easy to use; you can clean things anywhere, anytime, saving money, time and effort.Easy to use - One touch on/off switch. Superman design, simply press the button to turn on and press again to turn off.The bottom is made of high quality non-slip suction cups to improve the stability of the machine and effectively prevent sliding.Universal - Ultrasonic cleaners can be used as jewellery cleaners, glass cleaners, denture cleaners, glasses cleaners, watch cleaners, coin cleaners, laboratory instrument cleaners etc. Cleaning can be done in minutes using only tap water. Ideal for opticians, jewellers, watch shops, repair shops, hospitals, dental clinics, denture cleaners, laboratory electronics workshops, offices and home use.One-touch switch. Super user-friendly design, simply press the button to turn on and press again to turn off.High quality non-slip suction cups on the bottom to improve the stability of the machine and effectively prevent slipping.Colour:Red+WhiteSize:115*90mmPackage contains:1 piece of jewellery washer