【Ultra Quite and Low Noise】Merisny dog nail grinder runs quietly in low vibration frequency (low than 40dB), and your lovely puppy and pets won`t be scared by the noise. Make your trimming work more easier! 【Stepless Speed】Designed with Stepless Speed Regulation (6300~8200r/min),our dog nail trimmers are different from the two-speed type one. You can adjust it and use the suitable speed of grinding nail according to the hardness of the nail. More speed choices make you can efficiently trim the nails of your pets. 【Fits All Types Pets】 With 3 Size Ports and LED Light, the pet nail grinder is widely applied to Large Medium Small pets with different size nails. With the Unique LED light design,which is convenient to check the dog's nails at any time to avoid over-grinding to the quick for causing less hurt to your pets,more safe and easy to use. 【Long Working Time】Build-in 2000mAh Rechargeable Battery, the pet nail grinder for dogs support 20h working time after 3.5h of full charging. No need to charge in advance for each use. 【What You Get】Merisny Dog Nail Grinder x 1, usb charging cable x 1.Merisny provides 30 days free replacement and Money Back if quality problems. If you have any questions, please feel free to contact us.Making you a happy customer is our main goal. With 3 Size Ports, the pet nail grinder is widely applied to Large Medium Small pets with different size nails. For Small Pets For Medium Pets For Large Pets Super Low Noise Runs quietly in low vibration frequency (low than 40dB), and your lovely puppy and pets won`t be scared by the noise. How to Use? Step 1 Before grinding, show your pets the nail grinder and let pets get used to the rotating sounds in order to avoid fears. Step 2 We do suggest firstly trimming the pets' nail then grinding. Make sure your pet is ready then choose a appropriately port.Please use low-speed to start when using the grinder, grinding time no longer than 5 seconds each time. Step 3 Reward your dog every single time. Always offer your dog with a favorite treat during grinding your pets.