IDEAL FOR ACCURATELY MEASURING ANY ENVIRONMENT'S TEMPERATURE RELATIVE HUMIDITY (RH)DEW POINT AND OTHER CONDENSATION PARAMETERS. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" JUMBO BACKLIT DISPLAY WITH DOUBLE FIELD CALIBRATABLE USING OPTIONAL 33 AND 75 SALTS DATA HOLDS MAX/MIN BUTTONS ALSO CALCULATES AND DISPLAYS WET BULB TEMPERATURE degreesF/ degreesC SWITCH 20-MINUTE AUTO POWER OFF (CAN BE DISABLED FOR CALIBRATION) LOW BATTERY INDICATOR INCLUDES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SENSOR PROTECTION CAP ""9V"" BATTERY USER'S MANUAL 1 YEAR LIMITED WARRANTY WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -