Standalone Heat Alarm Detector Replaceable Battery

Suitable for horizontal mounting in living room, stair crawl space, storage room, kitchen, boiler room, power generation room, drying room and smoking room, where the relative humidity is often greater than 95%. Dusty workshops and other spaces where smoke detectors are not suitable for installation. Please test the product once a week to ensure that the product is operating normally. Clean around the temperature probe once a year to ensure that there are no blockages (dust, small bits of paper etc).