An all new self-sealing, self-changing system. Townew T3 uses the new ASAR 3.0 technology, with a new speed increased by 100% and operating efficiency increased by 120%. That means self-sealing and changing is not only faster, but the energy consumption is also lower. Hands-free, Germs-free. Latest sensor technology will detect movement and approaching objects from the distance of up to 35 cm and conveniently opens the lid up on its own. Keeping your hands free from the can which helps reduce any cross-contamination, making your home, a healthier place. Say goodbye to trash overflow. Townew T3 detects when the trash can is too full, lifting the whole top compartment so it can seal the bag, guaranteeing you no spillage. All you have to do is grab the bag and toss it away. Micro USB Charging. Townew T3 uses a Micro USB charging port that can be used for general charging. The charging time is approximately 5 hours, meaning it can be used for 80 days. IPX3 Waterproof. Townew T3 is waterproof in accordance with IPX3 protection against splashes of water.