Conventional Heat Detector Cable (Detect the temperature change at any section or point along its entire installation length, maximum application length 500m/set, fast response time 10-20s max, compatible to any kind of fire alarm system, multiple alarm temperature: 68℃, 88℃, 105℃, 138℃, 180℃, optional outdoor/anti-corrosion/explorsion-proof/resttable analog ROR/FT type, IP67, UL listed)