When grooming pets, you can use the lock to lock the switch to free your hands. When using the vacuum cleaner for a long time, you can also lock the switch to reduce labor intensity. The comb teeth are designed with large round nails, which will not hurt the pet's skin and can be used with confidence. The lock button is installed on the power button of the vacuum cleaner, which can make the vacuum cleaner easy and convenient to use. No need to press the button while vacuuming, and your fingers no longer hurt. Installation is simple and convenient, it only takes a few seconds to complete the installation. The design and color of the power button lock perfectly match the vacuum cleaner, making you think it is part of the vacuum cleaner, beautiful and generous. [Product Description]Pet Brush [Product size] thickness 65mm x width 100mm x length 295mm [Product function]Combing pet hair [Applicable models] for V8 V10 V11 V15 Type: B Color: Gray Material: ABS Package Contents: 1 x Pet Brush