Remote works. I got a new Shark Air Purifer and didn't need this remote anynore. The Shark HE401 Air Purifier OEM Remote Control is a sleek white device that operates on battery power. Designed by Shark, the remote control is specifically tailored for the Shark HE401 model, providing users with a convenient way to adjust settings and control the air purifier. Manufactured in China and set to release in the year 2025, this remote control offers a high-quality and reliable option for maintaining indoor air quality.