Check the listing for details. Omega Dual Laser Infrared Thermometer - Fully Operational. Condition: New – Open box. Listed at 200.00 USD. Omega Dual Laser Infrared thermometer. The OS499 Series are fully functional infrared non-contact temperature measuring devices and compatibility with Type K thermocouples. Unit has a very long battery life (typical 8 days), is obtained from 2 "AAA" batteries (not included). The model with 30:1 field of view measures small and distant targets. Display backlight enables night and low light viewing. These features give the OS499 the versatility to meet most temperature measurement requirements. SPECIFICATIONS Measurement Range: OS499L-12: -60 to 550°C (-76 to 1022°F) OS499L-30: -60 to 760°C (-76 to 1400°F) Full Range Accuracy (Tamb=23 ±3°C): Tobj = -60 to 0°C: ±(2+0.05/°C) °C Tobj = -0 to 760°C: ±2% of reading or 2°C (4°F) whichever is greater Distance: Spot OS499L-12: 12:1 OS499L-30: 30:1 Mode: Ave, dif, hi/low alarm, real time max/min, lock; color bar display Thermocouple Probe: Small socket, K type, 12 minutes auto power off Measurement Range*: -60 to 1400°C (-83.2 to 2552°F) Probe Accuracy: ±1% of reading or 1°C (1.8°F) whichever is greater (test under Tamb = 23 ±6°C) Dimensions: 119 x 48 x 172 mm (4.7 x 1.87 x 6.76") Weight: 255.7 g (9.02 oz)