Specifications(type 1) Products size: 89*91*30mm Cleaning time :3 minutes Single tank capacity : 2ml Tank material: sus316 Net weight: 111g Ultrasonic freq: 58khz Type 2 (with battery) Model no:ce-3100 Power : 5w External dimension: 89*91*30(mm) Cleaning time: 3 minutes Single tank capacity: 2ml Tank material:SUS316 Net weight” 126g Ultrasonic freq: 58khz It is recommended to use 5v>=2A Charger or power bank or car charger Operation instructions : 1.it is recommended to charge for 1.5 hours 2.First wash your hands ,then wash tank with warm water or purified water 4.Use the tweezer to place the left and right contact lens into the corresponding cleaning tank 5.Press power button ,the indicator light on ,which indicates the cleaning is ongoing ,after 3minutes cleaning .the device will automatically shut off.(cleaning is over ) Application range This product is suitable for cleaning all different kinds of contact lens,cosmetic lens,c,orhokeratology lens,etc. Can be used Along with any brand of contact lens care Solution together. Attention: 2.Do not let the cleaner working without cleaning fluid ,otherwise it will cause damage . 3.To avoid the risk of damage or leakage ,please don’t use tap water to rinse the products directly 4.If the unit couldn’t work as normal ,stop it. Do not disassemble if you non- professional staff