FOR SALE IS ONE (1) NEW HUMIDITY MONITOR HYGROMETER AND CELCIUS THERMOMETER BY THERMO BRAND MPN TH108. READS INDOOR RELATIVE HUMIDITY PERCENTAGE QUICK AND EASY. DIMENSIONS ARE 2 3/4" diameter WITH 2 3/8" diameter CLEAR PLASTIC DIAL FACE, PLASTIC CONSTUCTION WITH REMOVABLE PLASTIC PEDESTAL STAND, STANDING 3" TALL WHEN IN THE PEDESTAL STAND. THIS UNIT MAY BE MOUNTED ON A WALL OF ANY VERTICAL SURFACE WITH MOUNTING HOLE OR VELCRO. INDICATES OPTIMAL COMFORT IN SUMMER OR WINTER, FOR USE IN ANY ROOM IN YOUR HOME AND NO BATTERY REQUIRED. THE PROPER AMOUNT OF HUMIDITY IN YOUR HOME IS IMPORTANT, AND CAN AFFECT YOUR COMFORT AND WELL BEING. PARTICULARLY DURING WINTER MONTHS, THE INDOOR HUMIDITY CAN DROP BELOW 30%, A LEVEL WHICH CAN BE BOTH UNHEALTHY AND UNCOMFORTABLE. BY USING THIS HUMIDITY MONITOR, YOU CAN MONITOR YOUR ROOM'S HUMIDITY AND KNOW EXACTLY WHEN TO INCREASE OR DECREASE THE HUMIDITY LEVEL. THERMOMETER DELIVERS DEGREES IN CELCIUS AT THE TOP OF THE DIAL, HUMIDITY READOUT AT THE BOTTOM OF THE DIAL. THE THERMOMETER IS EFFECTIVE FROM -20 celsius TO 50 celsius. MONITOR YOUR BEDROOM, BASEMENT OR LAUNDRY ROOM FOR TOO MUCH HUMIDITY. A HUMID ENVIRONMENT IS A PERFECT ENVIRONMENT FOR THE GROWTH OF MOLD. JUST PLACE YOUR MONITOR ON A DESK, TABLE OR BUREAU AWAY FROM WINDOWS, HEATERS OR HUMIDIFIERS. ON FIRST USE, ALLOW 30 MINUTES FOR ACCURATE READING. USE OR ADJUST YOUR HUMIDIFIER OR CLIMATE CONTROL SYSTEM TO MEET YOUR COMFORT LEVEL. THIS DEVICE DELIVER THE PERCENTAGE RELATIVE HUMIDITY. FOR ACCURATE AND BENCHMARK MEASUREMENTS OF HUMIDITY IN THE LIVING ENVIRONMENT. YOU WILL RECEIVE ONE (1) HYGROMETER AND CELCIUS THERMOMETER SHIPPED BY USPS FIRST CLASS MAIL..... what is a hygrometer? the hygrometer measures the percentage humidity in the home, basement, tool shed, garage, retail environment, greenhouse, aviary, etc. this hygrometer delivers the humidity measurement as relative humidity. If you are attempting to monitor the moisture in your home, basement, etc, this precision device is required..... BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK AND TEN+ YEARS EXPERIENCE. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $3.43 USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY......