THG 4 pcs Panels 9 LED Amber Car Van Truck Strobe Flash Flashing Light Grill Grille Emergency Switch Control Waterproof panels, can be used in rainy day (control box not waterproof) Super bright flashing light, great for catching eyes. Come with Extension cables, 3 Different flashing modes. Easy to control with on/off switch. Ideal for recovery vans, mobile mechanics, emergency repair vehicles or anywhere where a vehicle needs to be seen.