Three – Colour LED indication Green LED = ON
Amber LED = LOW BATTERY
Red LED = ALARM

Operating Temperatures – 35 ºF ( – 37 ºC ) to 158 ºF ( 70 ºF )
Width 3,25″ ( 8,3 cm )
Thickness 1,625″ ( 4,1 cm )
Length 16,5″ ( 42 cm )
Total Weight 17,6 Oz ( 500 g )
U.S. Trademarks 1.754.933 and 3.236.345

Battery Requirements one 9 Volt ( Included )