The operator can use MSM-800 as a handy device that measures the moisture by using electrical specifications of the soil. Color coded lights (LED) indicate the moisture conditions in soil. The device is widely used in farming, gardening, greenhouses, etc.
MSM-800 Features:
Measuring range Wood:0~80%RH
Accuracy:±0.5%
Resolution:0.1
Wide measuring range and fine resolution 
Auto power off to conserve power 
Store 99 groups of measurements 
Communicating with PC computer for statistics and printing 
Used the exclusive Micro-computer LSI circuit and crystal time base
Small size and easy to operate
Quick response time