They appear to do what they are advertised to do but taking them apart to put the batteries in requires King Kong strength, I think this is because they are very water resistant. Love the fact that they are magnetic and have a hook so no matter where you are they can be used for car safety or for kids.
12-LED Ultra Slim Surface Mount Flashing Strobe Lights For Truck Car Vehicle Emergency Beacon Hazard Warning - 8Pcs Sync Feature LED Mini Grille Light Head (Red/Blue)
25 Review
Keep Safe On The Road With The Nilight Traffic Advisor Emergency Strobe Light Bar - 17 Inch, 32 LED, 23 Flash Patterns, Cigar Lighter, And 2 Year Warranty
44 Review
SMALLFATW Portable Emergency Light 15β 12 LED 9 Flashing Modes 4 Powerful Suction Cups, Super Bright Mini Visor Strobe Light Bar, Dash Windshield Warning Light For Vehicles Car Truck, Red&White 1PCS
38 Review
SAE Class 1 NanoFlare 4W Amber LED Strobe Light With 72 Flash Modes For Emergency Warning On Trucks And Vehicles - Sync-Able And Surface-Mounted Yellow Amber Grille Light For Police
24 Review
XPCTD Upgraded LED Fog Lights Passing Lamps For Dodge Ram 1500 2500/3500 2002 2003 2004 2005 2006 2007 2008 2009 Durango 2004-2006 Truck Chrome
37 Review
Pack Of 2 TMH 6 Inch Oval White LED Lights For Truck Trailer With Reverse Lamp, Turn Signal, Side Marker And Tail Functions - Surface Mount, Ideal For Trailers, Buses And Vehicles, 12V DC
25 Review
1999-2002 Chevy Silverado/Tahoe Headlight Assembly - 2 Year Warranty!
27 Review
XBEEK LED Front Fender Side Marker Light Turn Signal Lamp Compatible With Jeep 2018-2022 Wrangler JL JLU And 2020-2022 Gladiator JT Truck
23 Review