... 5 O 5. Colour:red, green,white, yellow J-SAP-M-04D manual call pointTechnical Parameters Manual call point ... 10°C~+50°CWith a PVC cover Operating Intustration J-SAP-M-04D is a kind of universal manual ... used as an alarm start switch of fire alarm systems in buildings, or as a switch on other special ... alarm bell and other fire linkage equipment.In addition, J-SAP-M-04D can be taken regular inspection when ...