... 's practical tester to identify or compare the quality of LED lamps,fluorescent lamps, halogent or incandescent lamps,or appliances from ... ,MR16, GU10, G9.Could test different bulbs with different bases. LED AC lux double power meter Features:1. Input voltage: 100 ... replacement warranty. DC AC Lux Meter for LED CFL lamp with digital volt meter DC AC Lux Meter for LED CFL lamp with digital volt meter