... DC and AC lamp testing Lux CCT(color temperature),wtta,power factor,current,and annual power ... same time.2. Testing parameters: Lux, CCT(color temperature), Voltage, Watt, Current,Power factor, Annual power consumption ... 3. Testing error is within 3~5%.4. With precise test data and competitive price.5. Maximum testing ... DC AC Lux Meter for LED CFL lamp with digital volt meter DC AC Lux Meter for LED ...