PRODUCT SPECIFICATIONS:Dimension 5.20 X 7.50 X 18.00Height 5.2000Width 7.5000Length 18.0000RANGE OF FOCUS 1750DIOPTER ADJUSTMENT +4/-5FIELD OF VIEW 0.0000EXIT PUPIL 0.0000EYE RELIEF 0.0000OPERATING TEMPERATURE -25/40BATTERY LIFE (HOURS) 11.0000MTTF-TIME BEFORE FAILURE (HRS) 0.0000EXPORT NAUTO BRIGHTNESS NBRIGHT LIGHT CUT-OFF NPOWER SUPPLY 26650RESOLUTION IP/MM 384X288IR INDICATOR NLOW BATTERY INDICATR NOTHER FEATURES: 4X BASE MAGNIFICATION, IBP-5 RECHARGABLE BATTERY,