QUICK CLEANING: coffee grounds can be easily removed in about 3 seconds, one-handed blind operation, no need to rinse, effectively clean and protect the coffee handle to avoid damage from knocking, and avoid noise caused by strong knocking EASY TO DISASSEMBLE: supports multiple installation methods, suitable for multiple scenarios, more cost-effective, simpler to operate, simple and atmospheric, simpler and easy to understand REPLACEABLE BRUSH HEAD: replaceable brush head, selected , safe and reliable, no need to change brush head frequently. safer and more assured, worry-free and safer, sensor design, safe and anti-mistaken touch, stainless steel body, sturdy stainless steel body design, longer service life APPLICABLE ENVIRONMENT: commercial, home, mobile coffee car, coffee training laboratory, coffee market camping and other environments note：This product does not support 110V voltage. Please do not place an order if the voltage is not compatible, otherwise you will need to provide your own transformer.