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1.The packaging has not been opened, and if the box is sealed twice, it is opened 2Look at the end of the thread has not been connected to the wire, whether there is the pasting of the electric tape, and if there is pasting, it has been installed.
The simplest and most effective way is to replace the same good bulb with this broken downlight, if it is good, the bulb is broken, if it is still bad, the ballast is broken.
Maybe the light is broken.
Check for wiring issues.
In addition, the new one is the best. >>>More
1 kWh = 1kW·h (kWh), that is, 1 kWh of electricity per hour. For 132W electrical appliances, 132W * 1 hour = kWh, kWh of electricity consumed per hour, about 7-8 hours of electricity consumption of 1 kWh.
This has to be used after looking at it When you look at the surface, you can't see it out of the way You can only say that you like to change your hand and don't like it, and you have to use time to prove whether the quality is good or if you have an inspection instrument, you can check the power LM color annihilation temperature.