1. 16PCS super bright orange LED bulbs, working life is more than 100,000 hours; 2. 9 patterns of flashing and warning modes, lighting covers 360 degree direction, visible for up to 10 miles away; 3. High endurance even rolled under a car; 4. Back with two strong magnets, can be attached on iron surface; 5. Shatterproof, and water- resistance. 6. Color is selectable. 7.Packing:6 pcs/set,5 sets/carton,carton size:38*37*37cm,G.W.:16kg