Three AAA batteries (battery not included) This product is powered by 3 AAA batteries, and the LED flash is controlled by an IC chip. There are 10 optional modes, which are the main 3 white lights on, fast flash, slow flash, single flash , rotating flash, alternate flash, SOS for help, light (bright), light (dark), 3LED torch light. Spotlight Color: Yellow The LED illuminated security light is powered by 3 AAA batteries (Note: Batteries are not included). Protect yourself and your family in an emergency by activating each light with the push of a button. These road safety warning lights are made from heavy duty, eco-friendly industrial ABS material. LED traffic lights are shatterproof, rainproof and shatterproof, and are essential equipment for car or bicycle trunk emergencies. The LED lights are all covered with IP67 waterproof material to ensure the safety of electronic equipment. The LED emergency traffic light comes with hooks and super strong magnets to ensure the light stays in place on ferrous metal surfaces such as the body, very convenient. You can hang it anywhere you want.