... .Get CE, ROSH and UL certification 4.WAVELENGTH :635-680MM automative LED pen tester , portable led tester , led circuit tester The ... : MULTI-PURPOSE ADAPTIVE INTERFACE13,OPERATING TEMPERATURE: -10 ° C - +60 ° C14,BATTERY: AAA * 2(NS-LS650M),AA * 2(NS-LS650P)