supply and installation of fire detection system , conventional 2 zone fire alarm panel without battery each zone capable of taking 20 detectors, power supply 26.5vdc,2.5,4 monitored siren/relay outputs (en54-2 par.7.8 certified , repeater expansion port, (connection to optional rs485 expansion module), tcp/ip module for connectivity to smart view software , conventional intrinsically safe optical smoke detectors operating voltage 14.8 v dc to 28 v dc, operating and storage temperature : 40deg.c to +70 deg.c, humidity (no condensation or icing): 0% to 98% rh, housing: white flame retardant polycarbonate ,terminals: nickel plated stainless steel , conventional intrinsically safe sounder cum strobe, maximum sound output at one meter: 100db(a),supply voltage 6-28 vdc,ip 65 atexcertified, iecx certified , conventional flameproof manual call point is break -glass operated with a flap. it is approved for use in zone1,2,21 and 22hazardous areas, supply voltage 250v ac max ,50v dc max, operating temperature -40 deg.c to +55 deg.c ip66,atex certified, iecx certified, complies with en 54-11 , conventional galvanic barrier. voltage u0 28v current i0 93ma,power p0 0.65 w, explosion group iia iib iic,ip20, ambient temperature -20 deg c ….+60 deg.c _-4 of…140 of) , addressable zone monitor module, digital communication:xp95 (discovery and core protocol pulses of 5-9vdc., operating temperature -20 deg.c to +70deg.c,humidity (no condensation)0% to 95% rh ,ip54 , supplying, installation, testing and commissioning of ul listed addressable control relay modules , 12v 7 ah battery , 2c x1.5 sq.mm abc multistand pvc insulated twitted pair shielded armoured frls cable (red color) , flp double compression 1.m20 glands