Brannan 5-in-1 Multi-Function Environment Meter, Multicolour

5-in-1 meter for light, sound level, humidity, temperature and wind speed Features MAX/MIN/Data hold Total accuracy for CIE standard illuminate A (2856K) Large backlit LCD Over range indicator Low battery indicator Product specifications: Frequency range: 31.5Hz to 8KHz Frequency weighing: dBa Operating conditions: -20 to 60°C Storage conditions: -30 to 70°C Battery: 1 x 9V (included) CE & RoHS/WEEE: Compliant LCD dimensions: 55 x 45mm Function Measuring Range Accuracy Resolution Temperature -40 to 70°C +/-2.0°C +/-0.1°C -40 to 158°F +/-3.6°F +/-0.1°F Anemometer 0.5 to 30m/s 0.1m/s 1.8 to 108km/hr 0.1km/hr 98 to 5905ft/min +/-3% rdg 1ft/min 0.9 to 58.3knots 0.1knots 1.1 to 97Mph 0.1Mph Light 0 to 200kLux +/-4% rdg +/-0.5%fs ( 0 to 20kFc +/-5% rdg +/-10dgts(>10, 000Lux) Humidity 10 to 95%RH +/-5%RH 0.1%RH Sound Level 35 to 130dB +/- 2dB 0.1dB