Versatile radio device with autonomous temperature sensor. Built-in temperature sensor: Cold: 8 ° C (selectable from 2 ° C to 14 ° C); Heat: 26 ° C (selectable from 20 ° C to 32 ° C); Alarm signal every 10 minutes. Flood probe (one FP280 probe included): Alarm signal every 60 seconds. External temperature probe (T280R optional); Freezer: -12 ° C (selectable from -18 ° C to -6 ° C); Refrigerator: 11 ° C (selectable from 2 ° C to 20 ° C); Alarm signal every 10 minutes. Useful life of the batteries: V2GY: 6 years, ALPHA: 7 years. Dual protocol to be compatible with the Galaxy™, Domonial™, VISTA™ and Le Sucre™ panels. Bidirectional radio communication. Operating temperature: -10 ° C to 40 ° C. Dimensions: 89 x 40 x 30mm. CE regulations, EN 50131-1, Grade 2.