Portable Digital Grain Moisture Meter with Measuring Probe High Precision LCD Display Tester For Wheat Corn Rice Bean GM640 1>We always have enough products in stock. 2>We send all the parcels by registered Airmail with Validtracking 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. 4>For big order, we'll provide you big discount. 5>We offer Manual in English This instrument is a grain moisture tester which can measure moisture content of multiple kinds of grains fast.It applies to allocation,procurement,storage and proceing of grains.This instrument can also measure temperature of the grain. It has the following functions:1.Select grain variety. 2.Test moisture content of the grain. 3.Measure temperature of the grain. 4.Set standard for moisture content of the grain and give warning on over-standard moisture of grain. 5.Backlight control. 6.Switch between Celsius degree and Fahrenheit degree. 7.Battery low power warning. 8.Auto power-off 9.Data-hold Because of China's aviation regulations, our product does not include the battery The meter is so powerful that it can be used to measure the moistures and temperatures of various kinds of grain rapidly and accurately in operation, applicable or allocation and transfer, requisition by purchase, storage, proceing of packaged grain s. Temperature range: Moisture range:5%-30%,Temperature :-10C-60C Accuracy Moisture +/-(1%rh+0.5),Temperature:+/-2.5C(+/-5F) Resolution Moisture:0.5%,Temperature:0.1C/0.1F Operating Environment Temperature:0C-40C,humidity:0-85%RH Grain Specie OK Moisture Measuring OK Temperature Measuring OK Moisture Standard Setup OK Overflow Alarm OK Backlight Control OK Unit shift Between Ceisiu OK Fahrenheit OK Low battery Alert OK Auto Power OFF 5 minutes without any operation Data Hold Function OK Unit size Host device:72*35*145MM,probe:415*36*36MM Weight Host device:190.6g Probe:208.3G Power 3*1.5V AAA batteries(not included) 1 x GM640 LCD Grain Moisture Meter ( No including battery ) 1 x Probe 1X English manual