1. Professional Dog Grooming Clippers - Sharp titanium blade combining with the ceramic movable blade for efficient and long term cutting. It always keeps sharp and wear-resisting,and will not cause allergic to skin.2. Adjustable Clipping Comb - With 4 attachment guide combs (3mm/6mm/9mm/12mm) to adjust the blade when you need to control hair length. Perfect for large, medium and small dogs or cats,make them safe,easy and comfortable.3. Low Noise - The copper-axis motor produces low noise (less than 50db) and low vibration. It only emits low buzzing noise that will not intimidate your pet when you cut his or her hair. Low noise can help calm down your pets and makes the grooming process much easier.4. Rechargeable and Cordless- The cordless design allows you to freely move in any direction. 50 Minutes of full battery charge ensures about 80 minutes of cordless operating. This electric pet trimmer is rechargeable so you don't need to buy new batteries again, and the rechargeable battery is included in the clipper.5. Dog Grooming Clippers Kit: 1 Set Pet Supplies Color:BlackCAUTION1.please do not disassemble the product2.Do not use water to wash the clipper,and keep it away from the dampness while operating.3.Only use a wet cloth or neural liquid soap to clean the product4.Never charge in the environment which is above 40?? or below 0??5.Slight heating during the operation is a normal phenomenon6.After the battery life expires?please take out of the battery and throwinto the designated recycling site. Neverdump it randomly.HOWTO CHARGE1. Put the rechargeable bateiesinto the haircut machine and plug the charging cable to charge2. The red indicator light is on which means that it is charging.3. The red charge light only be used as the charging indicator andit won'tchange color when it is fulycharged.4. For the first-time usage after buying or within the half of a year,please charge 4h to activate the rechargeable batteries. The charging time is not suggested to be over 5h each tme.