General description Automatic Toilet Flush is an innovative household defecation sensor induction flush system designed for convenience and hygiene. It allows for automatic flushing without the need to touch the toilet handle, promoting a more sanitary experience. Technical specifications Materials: High-quality metal and plastic Drain valve diameter: 67 to 85 mm Installation time: Less than 20 minutes Installation Open the toilet tank cover and measure the diameter of the drain valve before installation. The system is easy to install and can be done by most people within 20 minutes. The external battery design allows for convenient battery replacement. Usage The toilet flushes automatically when a hand moves within the sensing area. Manual handle can still be used as a backup for flushing. Adjustable detection range and flush duration minimize ghost flushes, activating only when motion is detected.