Model: K1208061 - Quantity: 1 - Color: Blue - Material: FR4 + Electronic component - Main chip: LM393 humidity sensor probe - Working voltage: DC 3~5V - With signal output indicator active-low light on - With TTL electric level signal and analog signal output - Effective signal of humidity output is low sensitivity adjustable - Widely used in humidity detection and rain drops detection - With installation holes easy to use - The output switch circuit board can be connected directly to microcontroller IO port - Humidity detection accuracy: +/- 5% RH - Detection range: 20~90RH