10yr Lithium Battery Powered – Heat Alarm

MODEL: W-A-HSBRF

• Power supply: Non-replaceable 10-year 3V lithium battery
• Fixed temperature heat detector 57 degrees Celsius
• Test and silence button, 85dB Sound Alarm
• Low battery signal alarm
• Ceiling mounting bracket for easy installation
• RF module, 433MHz, wireless interconnection up to 40pcs
• Size: 116mm diameter x 46mm
• 57 ﹾC/137 ﹾF Or 8-15 ﹾC/Min (Rate-of-Raise)