SAFE FOR DAILY USE: the heating pad is powered by provided 12V adapter which is safe voltage for human beings, and the LED Display hand Controller with total 9.5 ft Extra Long power cord (NOT FOR PORTABLE USE) allows you to much flexibility in the room. Our Heating pad choose fiber Heating Element and embedded with thermostat sensor, which is more durable and safer for daily use. RAPID & CONTINUOUS HEAT THERAPY: Compared to those microwavable single eye masks, you don’ t need to get up and down to put it repeatedly in the microwave to keep warm, all you need to do is plugging it in and enjoying the continuous heat therapy. It will begin to heat in several seconds after plugged in and rise to target temperature in 3-5 minutes, providing fast and intense heat for pain areas. WASHABLE AND REUSABLE: Used for either left or right eyes for one-eye soothing heat therapy, and the single eye pad is reusable and can be hand washed when needed. PERSONALIZED TEMPERATURE AND TIMER SETTINGS: The stye eye compress mask features an Easy-to-Use LED display hand controller, allowing you to tailor your experience. You can create a custom design for the ideal temperature and auto-off timer duration for your warming or heat therapy session. However, it's crucial to note that you should NEVER SLEEP while wearing the mask, even if you've activated the auto-off timer. SOOTHING DEEP WITH MOIST HEAT: This eye compress mask is versatile for both dry heat therapy and moist heat therapy. For moist heat, simply spritz a fine mist onto the inner side of the heated eye mask with the provided spray bottle. Heat brings a stye to a point where it naturally drains. Furthermore, heat aids in unclogging and liquefying the obstructing oil in the glands on your eyelid, facilitating a faster healing process for your stye.