... Power cable and socket has been build-in, it is convenient to power the testing lamp.• Two photo detector ports, ... small lamps. The flux testing range is 0.001 to 1,999 lm.• IS-1.0M is suitable for CFL or LED bulbs ... . The flux testing range is 0.1 to 199,990 lm.• IS-1.5M/IS-1.75M is suitable for CFL, LED ... CCFL. The flux testing range is 0.1 to 1,999,900 lm.• IS-2.0M is suitabe for HID lamps or ...