Our boutique offers a distinguished selection of accessories for water dispensers. Should you require any assistance, do not hesitate to contact us. We pride ourselves on providing exceptional service. 【Highlights】 ◆3L Capacity ◆Whisper-quiet & Energy-efficient Pump ◆Superior Filtration System ◆Usb interface for Safe, Leak-proof Use ◆Food-grade PC (PP) Material ◆Automatic Shut-off When water levels are low, the pump will stop and a red light will indicate the shortage. 【Filter Replacement Time】 1.Recommended monthly replacement for optimal filtering. 2.In smart sensor mode, filters should be replaced every 2 months. 3.For a full year, have 6 extra filters on hand for your pets! Helpful Tip: Regularly clean the pump for extended use. Important Notice: Please note that the motion sensor is only compatible with glossy, smooth surfaces and will not adhere to matte walls or floors.(It can be attached to the fountain body.