Here's mine. Got it made to order from a great guy on Ebay for $5.50, shipped. Plastic engraved with double sided tape mounting. 1" x 2" in size fits perfect on the bottom side. badgeworksplus in Texas
I use a permanent marker and put an email address on the bottom of each prop. If it gets caught in a tree you might not see the bird but the prop could break on impact and fall to the ground. Somebody posted they gave up looking for there bird. On they way back to the car he saw his battery. He looked up and there it was. Hum, battery would be good also! I use an email instead of my phone#. I started doing that when I was posting signs where I lost my P2V+. If somebody wants to send my pranks they can, call my phone with pranks. I think not.