In fire safety industry, Hush Buttons are designed to work with widely available fire alarm products, the hush button for silencing false alarms, especially smoke detectors
The Test/Hush button is on the smoke alarm cover in General（the smoke detecor also called hush smoke alarm）, SO What is the hush button on a smoke alarm for?
Smoke alarms are available with a pause or hush button that can be used to temporarily silence the alarm. This is a convenient way to deal with nuisance alarms, such as those caused by burning toast or opening smoky ovens, without disabling the alarm. … The chirping will stop once the alarm resets itself and it is meaning that the smoke alarm is desensitized by pushing the “HUSH” button on the smoke alarm cover.so the hush smoke alarm is very important！
If you want to buy a smoke detector, we strongly recommend that you buy hush smoke alarm that with hush function.Hush Button has been specifically designed to reduce the incidence of false alarms in houses of multiple occupation，shch as our hush smoke alarm please click the blue keywords to enter… of course, we have more…hope you like them, welcome to inquiry us…