-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.