Measuring Principle Electrical resistance Electrode Length 8mm Electrodes Integrated, replaceable Measuring Range 6~99.9% Resolution 0.1% Ambient Temperature 0~40°C Ambient Moisture 0~85% Housing Impact-proof plastic housing Power 2 x AAA battery Size 180x50x31mm Weight 175g Standard Accessories Temperature probe, moisture probe, batteries, soft pouch, instruction manual, warranty card, certificate of product conformance