1.lums are 2800 for a D2S 4300k low beam bulb.
lum are in thousands.
the ad says 200-300 so it's a fog bulb.
2. It's square so it's not REALLY 360.
3. Multiple bulbs WILL NOT throw the light farther. which is the entire purpose of headlamps.
here is a thread I wrote on HID's (plug n play) failing in halogen lamps.
The same reasons exist for the leds failing in a halogen lamp
HID plug n play fails govt test