For the first use, you can let pets adapt slowly from the first gear. We suggest grooming your pet with our massage comb before trimming and treating your pet with little snacks to avoid your pet getting nervous because of the vacuuming noise. EFFICIENT VACUUMING SYSTEM: dog hair vacuum groomer features two air inlets - when one is blocked, the other kicks in to prevent interruption.This design prevents the machine from being clogged by pet hair and ensures that the appliance operates smoothly and efficiently, providing a superior grooming experience for pets and their owners. Furthermore, the dual-air inlet design also allows for a longer lifespan of the machine as it reduces wear and tear caused by hair blockage. EFFORTLESS PET HAIR REMOVAL: Gone are the days of tedious manual pet hair cleaning. With dog grooming vacuum kit, you can press the Quick Release Button on the brush, and the tangled hair will be sucked straight into the bin. Moreover, the supersized 2.2L dust cup can contain shavings from up to 3 dogs per use before needing to be emptied. With the one-touch dumping button, you can easily empty the dust cup without staining your hands. UNIVERSAL PET HAIR TRIMMING: This affordably priced dog brush vacuum kit is a practical solution for grooming multiple pets. Makes grooming and styling your pets at home come true, saving you the time and energy of taking pets out regularly. Coming with multiple accessories, dog vacuum brush for shedding grooming set enables you to DIY your pets' hair easily and efficiently. Four adjustable guard combs (0.24-0.94in) provide options to cut hair to different desired lengths. As our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected.