A high performance digital sound level meter. Ideal for measuring noise levels in offices, industrial environments, airports, public buildings, etc.Batteries[tab]4 x AA (included)[br]Accuracy[tab]±1.5dB[br]Frequency range[tab]31.5Hz - 8.5kHz[br]Resolution[tab]0.1dB[br]Operating temperature[tab]0 to 40°C, 10-80% humidity[br]Storage temperature[tab]-10 to 60°C, 10-70% humidity[br]Weight[tab]308g (with batteries)[br]Dimensions[tab]256 x 70 x 35mm[br]Measurement range[tab]30dB - 130dB