4 OPERATING MODE FOR EASY USE: Auto Induction Mode, Delay Closing Mode, Normally Open Mode, Manual Mode. HIGH QUALITY MATERIAL: Water-resistant infrared motion sensor prevents moisture or any accidental spills from damaging the unit. Plust finger-print resistant stainless steel base helps keep the can clean. ADVANCED TECHNOLOGY: Delay sensing technology preserves battery life and prevents any unnecessary opening from pets, children, or walking by. Quiet closing function for longivity of product life. EASE AND CONVENIENT: Removable ring liner holds the trash bag sturdy in place and prevents the bag from overhanging for a neat and clean appearance. Use any standard trash bags. TOUCHLESS DUSTBIN: Intelligent and interactive motion sensor for hands-free operation. A more efficient and environment safe method of waste disposal. Hands-free motion sensor operation with soft close, gently and quietly ease it down.