Power / AAA alkaline batteries × 2 battery life continuous use for 14 hours
Output : 1mW within (JIS Class 2 )
Temperature measurement range : minus 60 to 500 degrees
Operating temperature : 0 to 50 degrees
Measurement accuracy : plus or minus 2% or plus or minus 2 degrees
( adaptation of the higher number)
Distance: measurement size diameter / 12: 1
Product Dimensions 22.1 x 12.9 x 5 cm