Specifications: It is widely used to clean and storage contact lenses, which is portable, lightweight and convenient. Made of premium materials, it is safe, high efficiency cleaning, and easy to use. It is suitable for using during travelling, outdoor activities and daily use. How to Use: Washing the Liquid cup and the storage cover before and after using. The nursing liquid should be subject to the liquid water mark, do not pour over-filled, to avoid the cleaning liquid spills liquid cup. Do not rinse the whole product with water to prevent leakage or damage to the machine. If you need to finish the cleaning work early, press the open key again. This product is only used to clean soft contact lenses. The light is on when the machine is in use. When the machine completes its work, the light goes out. When the machine is low on charge, the light flashes for a while and goes out.The light flashes while charging and the charging completion light is always on. The normal cleaning time of this product is 3 minutes. The normal charging time of this product is 2 hours, and it can be used continuously for 5 hours after full charge. Item Name: Contact Lens Cleaner Material: ABS Charging Specification: 5V Power: 0.24W Power Supply: Built-in 300mA Battery (Included) Cleaning Time: 3min Single Tank Capacity: 7ml Features: Portable, Effective, Easy to Use Size: 8.7cm x 4.1cm x 4.1cm/3.43" x 1.61" x 1.61" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Contact Lens Cleaner 1 x Tweezers 1 x Wearing Stick 1 x USB Data Cable