Then you need to press the button on the lid for more than three seconds to start it. The same operation is needed to run the trash can after replacing the battery IPX5 Waterproof: Advanced IPX5 waterproof technology prevents water or humid environment from damaging the unit. Leaving no water stain on the surface after rinse. An intelligent opening device ensures that the trash cans are opened less unnecessarily and last longer, while effectively preventing pet nuisance Silent Open and Close: The open and close of the trash bin lid and any operation of the trash bin are totally silent. With its great airtightness, this trash bin is perfect to be placed in offices, libraries, living rooms, etc Smart Sensing: The lid stays open if your hands stay around the infrared motion sensor, which provides a comfortable user experience. The lid closes after 5 seconds automatically if no movement is detected by the sensor Dimension & Capacity: 26x14x27cm, 7 Liter Capacity. The slim plastic dustbin is suitable to be placed anywhere, including the kitchen, toilet, bedroom, living room, RV, and office. Infrared sensor to control the lid open and close. No more worry about no spare hand to open the bin lid, dirty the kitchen bin, or cross-infection. Compact design, large capacity, battery-powered, no redundant button. When the lid is opened by sensing your hand, the infrared sensor can automatically recognize and keep the lid open. Specifications: Capacity: 7L Dimensions: 26x14x27cm Induction time: 0.3 second Induction distance: 30cm Three Modes: induction, touch, manual Power Supply: 2AA batteries * 2【Not Included】 Material: PP Package Includes: 1 x Smart Sensor Trash Can