Stainless steel automatic sensor waste bin 40L 1. New space-saving lid mechanism 2.100% handsfree operation 3.Low energy Stainless steel automatic sensor dustbin 8L ... Retainer Ring- Have mannual open and close button at lid.- 85° opening avoids spills and messy deposits- Uses 3 D ... restaurant, hotel, office, mall, bank, school,hospital, laboratory, etc. Stainless steel automatic sensor waste bin 40L