... Annual power consumption(calculated by 10 hrs/day)3. Equiped with different converter for E27, E14, B15, B22,MR16, ... GU10, G9.Could test different bulbs with different bases. LED AC lux double power meter Features: ... 3. Testing error is within 3~5%.4. With precise test data and competitive price.5. Maximum ... DC AC Lux Meter for LED CFL lamp with digital volt meter DC AC Lux Meter for LED CFL ...