Props Up - I'd like more info and a photo of your setup, if you have any. I'm considering 'anti-collision' lights for my Mavic Pro. But also, I think it would help when I lose the aircraft against certain backgrounds. I never fly BVLOS, but it's amazing how fast a UA can get lost in the clutter... Hoping to find something less clunky than Lume cubes and bright enough to stand out in daylight. Thanks and happy flying!
Here are some pictures on how I place my strobes:


I have the dual LED units from Firehouse Technology. They feel kind of flimsy, having no housing, but on the plus side, they are lightweight, and fairly small. I am careful when plugging and unplugging for charging, and when I attach them to the drone, as I am worried that I may damage the connector's solder joints or the batteries, but so far they have survived multiple flights and recharges, with no issue.
I use Velcro for mounting them to the drone, to make it easy to attach and remove them. On my very first flights I was a bit worried that they may fall off, but many-many flights later I never had an issue. And them being very lightweight, the risk of doing any kind of damage if they ever fall off is extremely small. I do make sure that they are secure before each flight, though.
I have chosen this placement to make my drone visible from all directions, and to not interfere with the camera and the obstacle-avoidance sensors. I have also avoided the heat sink on the bottom of the drone, for obvious reasons.
One thing I have not checked is whether these lights are truly visible from 3 miles away as the company claims, and as is required by the FAA. One day I'll have to set them up on a pole and have someone 3 miles away tell me if they are visible