Brooks EIB603TYCRF Heat (Thermal) Alarm + RadioLINK, Detector, Battery Operated with 10 Year Lithium Battery, 115mm Dia x 55mm, Surface Mount, White

Features:
• Alarm that is activated by heat from a fire, not smoke.
• 10 year lithium battery that is non-replaceable and non-rechargeable.
• Suitable for kitchens and areas where smoke alarms may be subjected to nuisance alarms.
• RadioLINK inerconnectivity - one alarm sounds all alarms in system.
• Battery capacity is sufficient to outlast the useful lifespan of the alarm.