PYLE PSPL41 ENVIRONMENT METER
Four Functions: Sound Level Meter, Light Meter, Humidity Meter, and Temperature Meter - Included Accessories: 9V Battery, K-Type Temperature Probe
Light: Max Range 20000 Lux, Resolution 0.1 Lux, Accuracy + / - 5.0-Percent - Dimensions: 9.89-Inch H x 2.51-Inch W x 1.57-Inch D
Sound: Max Range 130 d