Large display with flashlight--Large display with high brightness ?ashlight. Can implement the test among darkness. NCV non-contact voltage sense--While getting the non-contact voltage sensor close to conductor, the instrument will beeps and ?ash with the frequency according to AC voltage strength. Support temperature test, support muti-devices connection and single-display monitoring--One mobile end can connect with multiple multimeters, the test object is totally isolated with user to secure their life. Not only a multimeter,also a data logger and thermometer.--Real time data are updated and recorded to end user device, no need to be in ?eld. User can de?ne the record time and sampling gap, data can be shown as chart and diagram, multi-devices connection supports data comparison.User and test object are totally isolated, which secure the life Function as 3 in 1 : datalogger + multimeter + temperature meter,this is a Multimeter of the best quality and with the greatest functionality available in the market at the best price.