Dual 5 digits LCD display with backlit KTC probe /infrared 2 in 1 thermometer Single dot laser targeting Emissivity adjustable from 0.1 to 1.0 Data logging: storage for 100 measures USB interface, Windows graphic software Max /Min /Max-Min /Avg measurement Data hold, ℃/0F display selection Auto-power off (10 seconds) Technical specifications Measuring range: MS6550A: -32 ~1200℃,-25.6 ~21920F MS6550B: -32 ~1650℃,-25.6 ~30020F Resolution: 0.1℃/0.10F Accuracy: ±1%+1℃ (repeatability <0.5℃) Laser output: <1mW Emissivity: 0.1~1.0 Field of view: 50:1 Response time: 60ms Battery: 9Vx1, 6F22 Dimensions & weight: Accessories: k-type probe