Check the listing for details. NEW Sper Scientific Mini Environmental Quality Meter 850025 Weather Wind Climate. Condition: New. Listed at 133.99 USD. 100% Authentic and Genuine BRAND NEW. NEVER BEEN USED.COMES WITH BUTTON CELL BATTERY BUT MAY BE DEAD NOT SURE HOW LONG IT HAS OF A SHELF LIFE. Monitor up to 3 environmental parameters with one tiny instrument:Wind SpeedAir TemperatureRelative Humidity (RH)Light weight, tiny size with simple, one-hand, operation. They are perfect for scientists, agricultural specialist, facilities managers, HVAC professionals, home inspectors, field technicians, health and safety personal, hazmat crews, outdoor enthusiasts, educators, and coaches … all of whom need accurate information to properly access environmental conditions and make crucial decisions.Reads air speed in addition to the wide selection of environmental parameters detailed above. Will sense airflow as low as 0.4 m/s with an accuracy of ±3% (4% >20m/s). Replaceable snap-in anemometer vane is available. Features min/max, hold, a backlight and come complete with a wrist strap, carry pouch, and button cell battery providing at least 40 hours of continuous use.Dimensions: 4¾" × 1¾" × ⅞" (120 × 44 × 21 mm)Weight: 2.2 oz (65 g) CHECK OUT MY OTHER GAMES / LISTINGS Save on combined Shipping by buying more then one. -Look at the images too see exactly what you are getting.-IF YOU HAVE ANY QUESTIONS PLEASE ASK BEFORE BUYING-NO RETURNS AS THIS IS CHECKED AND 100% WORKING. YOU CAN'T RETURN A GAME JUST BECAUSE YOU DON'T LIKE IT OR ALREADY PLAYED/BEAT IT-NO RETURNS