Have it on the truck and just ordered the TST507 for the trailer. Debated going with the 510 but liked the ability to change my own batteries on the 507, and IMO it has more versatile monitor mounting options.
Rob & Kelly, Bella & Brady (Miniature Schnauzers)
2016 Eagle 323LKTS
2016 Ram 2500 6.7L CTD
2015 White Hawk 29REKS Summit Edition (Traded)