(2021 new version) townew t1s 4 gallon smart trash can for home and office, self sealing and self replacing just in one touch x1 refill ring included (up to 25 bags) townew -townew t1s is an upgraded version of t1. -townew t1s self-sealing and self-replacing does it all for you in one touch, included 1x refill ring, 1xusb cable. -designed with the built-in thermoplastic sealing technology, the trash bag will be sealed up and replaced automatically in one touch. -it use refill rings, each contains up to 25 durable trash bags and lasts for approximately one month. refill ring is generic with t1 / t air lite. -latest infrared technology allows townew t1s to detect movements within 35cm above the sensor panel and pop open the lid immediately. -with the build-in motion sensor, it makes townew t1s the best smart trash can for your home, office and kitchen, it free your hands from dirt. -townew t1s is powered by a 2000mah battery, a full charge will last up to 50 days. -package contents: one white townew t1s trash can, one refill ring, one usb cable and manual.