LED tester, testing Power , Power factor, Voltage ,Current,and Annual power consumption(calculated by 10hrs/day), We are specializingac ... . All those are CE approved and very popular in our worldwide clients' markets. LED tube power meter,LED tester,Power meter,Demo boxLT ... ).TEST2 is without any ballast inside could test different size and wattage of LED tubes or T8-T5 fluorescent adaptors.7, LOAD1 ...