... include laser distance meter,infrared thermometer, anemometer, sound level meter, noise meter, vibration meter, ultrasonic thickness gauge, film/coating thickness gauge, digital hygrothermograph, high voltage ... :± 5%wind temperatureaccuracy: ± 2º Cresolution0.2º C, 0.2m/sLCD digital display low voltage displayauto power off after 14 minutesLCD backlight ...