*Overload indication: OVER / UNDER *Digital sound level meter *Low battery indication Name : Digital sound level meter (S-SM62) Description: * Frequency weighting characteristic: A & C* Time weighting: ... :0.1 dB*Frequency response:31.5Hz ~8.5KHz*Measuring level::30~130, 40~90, 50~100, 60~110, 80~130Size ...