Body materialplasticcolorwhiteusage/applicationoffice buildingsconditionnewwirelessnomaximum current consumption detector head77 deg f 25 deg c and 39 v bus voltagemaximum allowable line resistance50 omprotection categoryip 42relative humidity95% non, Condensing temperatures installation, 32 deg f to, 100 deg f 0 deg c to, 38 deg c temperatures storage, 13 deg f to, 176 deg f, 25 deg c to a temperature of 80 degrees c dimensions detector4. 4 in. X 2. 0 in. 11. 2 cm x 5. 1 cm sensitivity, 135 deg f to, 194 deg f, 57 deg c to, 90 deg c, Programmable, Rorairflow4000 ft/min 20 m/s maximumalarm5 mastandby0. 17 mawhen polled22 ma,, 20%operating voltage slc loop 24 vdc to 41 vdc