Amazon.com: 4G Wired GPS Tracker for Vehicles with 1 Year Subscription No Monthly Fee Real Time Hidden Hardwired Car Tracking Device Remote Engine Kill Switch for Truck Trailer Motorcycle Fleet Location Locator :
Linxup GPS Tracking Device - 3-3/4" Long x 2" Wide x 1" Tall Linxup Trailer GPS Tracker 300-AT3
9cm*4cm 2pcs Trailer Gps Tracking Control Auto Stickers, Vinyl Decals - Car Stickers - AliExpress
Trailer GPS Tracking with 5-Year Battery - No Monthly Fees