Attributes . Working temperature min . Values

-13 degree Fahrenheit (1)   -15 degree Fahrenheit (1)   -20 degree Fahrenheit (17)   -30 degree Fahrenheit (1)   -31 degree Fahrenheit (1)   -4 degree Fahrenheit (5)   -40 degree Celsius (9)   -40 degree Fahrenheit (74)   -45 degree Fahrenheit (2)   -55 degree Fahrenheit (1)   -65 degree Fahrenheit (26)   -70 degree Fahrenheit (2)   0 degree Celsius (1)   20 degree Celsius (50)   23 degree Fahrenheit (1)