Smart sensor hand-held gun infrared thermometer AS882 has bigger temperature range, thermometer measuring range -18℃~1650℃, accuracy ±2%, distance spot ratio 50:1, adjustable emissivity 0.10~1.00, wavelength and response time 500ms, data hold function, laser target pointer, backlight display, 9V power, weight 1370g, dimension 205 x 155 x 62mm.