Features:

Standalone Wireless Heat Alarm
Thermistor sensor to detect temperature
10-Year Sealed Lithium Battery
Compliant With BS5446-2:2003
Alarm sounder 85dB
5 Year Warranty

Specifications:

Product Type-  Constant temperature detector
Power Supply - 3V Lithium sealed-In battery
Temperature Range to Trigger Alarm - 54°C to 70°C
Product Dimensions - (D)116mm x 46mm
Alarm Indicator - Flashing red LED
Product Life 10 years (5 year product warranty)
Auto Rest Supported
Alarm Volume - Exceeds 85db at 3m range
Protected Area - 30sqm