* Used the exclusive :LSI circuit and crystaltime base to offer the high accuracy urement & fast uringtime.Digital display gives exact reading with no guessing or errors. * Wide uring range & high resolution:The Last Values / Max. Values / Min. Values of both Humidity andTemperature will be automatically stored in memory and can bedisplayed by turn. * The use of , long-lasting components, including a strong,light weight ABS-plastic housing assures maintenance free peormance for many years. The housing has been carefully shaped to fit comfortably in either hand. * Use USB data output with connection PC. * Provide Bluetooth dataoutput choice., Manufacturer: MERHOVO