Usually it’s the product specs on wattage, power factor , liken output, lifetime and CRI.
EM rating usually not shared unless you requested for test report

Image  shown can be misleading.

However,
https://www.lazada.com.my/products/10pcs-ph...s143539336.html

It said come with bypass starter. so u just need to just direct replace existing fitting

Both are the same. All Ecofit series comes with EMP starter for retrofitting. If you read the Q&A in lazada, the 2nd  link given does comes with EMP starter.
Do note that the 16w Philips LED is not worth simply its dim.
Get the 20w version, and you wont regret.