Optical/thermal detector for conventional systems. Designed, manufactured and certified according to EN54-5 and EN54-7 standards. Composed of a high-definition thermistor circuit with a trigger temperature of 58 °C of class A2R and an optical detection chamber for light reflection. LED alarm indicator and output for remote indicator. Made of white ABS. Dimensions: Ø 100 x 52 mm. Weight: 100 grams. Does not include base.