Is it a must to bypass the inductive ballast when installing the LED tube?
Yes, it's must to short circuit the both ends of inductive ballast and remove the starter.
OKT mobile phones
Step one: Using a smart phone to install scanning code software, such as "wochacha", "Win on Quick Code” etc.
Step two: Open the scanning code software against the QR code, then you can get an interlinkage.
Step three: open the link, and then enter OKT Mobile Phone Official Website.