Used the exclusive MICRO-COMPUTER LSI circuit and crystal time base to offer the high accuracy urement & fast measuring time Digital display gives exact reading with no guessing or errors Wide measuring range high resolution The Last Values Max Values / Min. Values of both Humidity and Temperature will be automatically stored in memory and can be displayed by turn. The use of , long-lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortably in either hand. Welcome and I wish you a happy life, my friend., Manufacturer: BGAZA