Description Specifications Model: ARCN530 Battery Voltage: DC3.0V Weight: 95g Measuring Range: 34.0 C— 42.9 C Accuracy: 34.0'C ~ 42.9 C, ± 0.2 C Measuring Distance: 1 - 3 cm Measuring Time: 2 seconds Memory Log: up to 50 sets of data Auto Off: 18 seconds CE and FDA Approved Takes 2 AAA Batteries (included) Features Tri-Colored backlights in Body Temperature Mode Normal: 34.0 C - 37.3 C - Green Light Low Grade fever: 37.4 C - 38.0 C - Yellow Light High fever: 38.1 C ~ 42.9 C - Red Light