Differing from past traditional foot-operated bins, this series of sensor dustbins use infrared technology for convenient use. It will sense your approach, activating the motorized lid for your convenience. The lid will automatically close after a few seconds of non-usage. The units can also be opened and closed manually by pressing the buttons on the lid. These bins are battery powered so no wiring is needed. Just pop in 4 AA cell batteries and the bin is ready to use. With a durable stainless steel mirror finishing body, they ensure a longer service life and are stylish and beautiful in all types of interior settings. Please note batteries and bin bags are not included, and please understand the small measurement errors. SENSOR MOTION: Built-in infrared detects movement within 15-20cm range. Wave hand to open and close - makes it hygienic and easy to use. Automatically closes after few seconds of inactivity. 50 LITRE CAPACITY: Medium-large size is perfect for use with family households, keeping all food and waste stored in the bin during the week. Inner removable bucket to empty easily. STAINLESS STEEL BODY: Durable structure which is made to last. Easy to clean too - a sleek look for your home kitchen and dining areas.