Voltcraft-UM5-1-5-in-1-Multifunction-Environmental-Tester-Voltcraft-UM5-1-100-P-The-Voltcraft-UM5-1-is-a-5-in-1-Multi-function-Environmental-Tester-which-combines-5-meters-in-one-anemometer-luxmeter-sound-level-meter-thermometer-&-hygrometer-P-P-The-sensors-for-light-strength-temperature-&-humidity-as-well-as-wind-speed-are-applied-with-a-pluggable-connection-cable-&-can-be-used-away-from-the-meter-The-measuring-microphone-for-sound-level-measurements-is-firmly-integrated-in-