Color: Pink Easy to Operate and compact. For the battery life it is best to remove the battery when not in use. Battery: 2 * AAA Battery (Not Included) - Place the cleaner on a smooth and flat place and press down to hold the suction cup. - If you clean the contact lens put the case with the contact lens and the care solution in the cleaning slot. - If you clean the frame glasses or other items cover the items with water and add detergent. - When the switch is pressed the machine starts to work and it vibrates for about 5 minutes. - When you need to stop press the switch again it means to cut off the power and stop working you can take out the cleaning items. Precautions: When cleaning contact lenses you need to put contact lens special care solution. Do not wash the whole machine directly with water to avoid water in the base and damage the line.