HT0152X Features Laser pointer for accurate target aiming Backlight equipped display Wide measurement range between -50°C and 530°C °C / °F optional Equipped with a low voltage indicator Automatic power off Automatic data hold General Specs Brand & Model DT-8530  Temperature Range -50°C - 530°C Accuracy ± 2% / 2°C Distance Spot Ratio 12:1 Emissivity 0.95 Response Time 500 ms Wavelength 8-14 um Power Supply DC 9V