GM1361 Humidity Temperature meter with Large LCD dual display 1>We always have enough products in stock. 2>We send all the parcels by registered Airmail except you specify another shipping method. All parcel has tracking number. 3> This unit doesn't include batteries. Because the international air shipping forbid us to ship liquid, powder and batteries, so we can not put them in the package. Hope you can understand & buy the batteries in your local store or supermarket. Thanks for your support! If you dont accept this, please do not place an order . 4>For big order, we'll provide you big discount. 5-All of our products are under 1 year guarantee This humidity & temperature meter is widely used on lab, warehouse, air conditioning system and quality control etc. 1-Model:GM1361 2-Color:Gray & Yellow (with rubber pouch) 3-Split type humidity & temperature meter 4-100% brand new 5-Humidity & Temperature measurement, and equip with K-type thermocouple for high temperature measurement 6-Large LCD dual display 7-MAX/MIN reading of temperature 8-MAX/MIN reading of humidity 9-Temperature reading hold & Humidity reading hold 10-Measure temperature in degree C or degree F 11-Auto/Manual power off 12-LCD backlight display 13-Low battery indication Model GM1361 Temperature range -10~50C (14~122F) Accuracy of temperature +/-1C or 1.8F Humidity range 10%RH~98%RH Resolution 0.1C, 0.2F, 0.1%RH Sampling rate 2.5 times/sec Power 1x9V battery (not included) 1 x Humidity & Temperature meter 1 x Instruction manual 1 x K-type thermocouple