Operating storage operating humidity. earth ground. temperature safety specifications maximum voltage between any terminal and onal nd on ow part of operating altitude storage altitude batteries safety. intrusion protection (ip) rating wireless radio frequency range... output power. -10 °c to 50 °c -40 °c to 60 °c non condensing (<10 °c) 90% rh (at 10 °c to 30 °c) ≤75 % rh (at 30 °c to 40 °c) ≤45 % rh (at 40 °c to 50 °c) 2000 meters 12 000 meters 2 aa, iec lr6 iec 61010-1, pollution degree 2 iec610XXXXXX