The detector fire heat maximum-differential analog addressable S2000-SP-02-02: designed for monitoring and detection deck accompanied by heat and issuing notices to “Fire” “Fault” “Test”. Dimensions: Diameter 100 mm height 46 mm. Fire detector manual IPR-3SU: for manual switching alarm in the fire and burglar and fire alarm systems. IPR-detector 3SU is a structure consisting of a base the inner cover and the outer cover. The detector has a built-in optical indication stand