Temperature sensor wall mount model no :- t7412b1008 origin :- germany operating temperature :- 0. . . 50 deg c (32. . . 122 deg f) transport and-storage temperature :- 25. . . +70 deg c (-13. . . +158 deg f) humidity :- 5. . . 95%rh, non-condensing safety : protection class :- ii as per en60730-1 protection standard :- ip30 as per en60529 flame retardant housing :- v0 as per ul94 connections screw terminals :- for 2x1. 5mm 2 conductors mounting :- wall, surface, or european outlet box