Radio-networked heat detector with a loud 85 dB(A) warning tone and acoustic battery warning. For the kitchen or other rooms where steam or dust could trigger false alarms with conventional smoke detectors. Easy testing and muting by pressing the housing. Response temperature of the thyristor sensor 54°C to 70°C. Up to 12 smoke detectors RA360F, heat detectors HA360F or water detectors WA360F can be networked with each other. If a detector is triggered, all devices networked within the radio range warn with an alarm tone. Only detectors within a residential unit may be networked with each other. Can be used in private homes. Radio frequency: 868MHz. Includes 2 replaceable 1.5V AA alkaline batteries. Color: white. Dimensions: D 100 x 38mm. The SW360F smart siren, available as an accessory, can be used to receive an alarm via the free app (Android (Play Store, Google version) / iOS (App Store), not part of the product, no guarantee of a service level), trigger a test alarm on the detector and check the battery level of the detectors.