Pyle PSPL41 4" 1 Multifunction Environment Meter with Sound Level Meter, Light Meter, Humidity and Temperature

The Pyle PSPL41 is a 4-in-1 multifunction environment meter capable of measuring sound levels, light, humidity and temperature. It includes a K-type temperature probe to measure temperature, a detachable sensor to measure light and a built in microphone to measure sound. It includes a 9 V battery required for operation.