saving: The signal traffic stick safety light is powered by 2 AA batteries, and the new batteries can be used continuously for 144 hours. (Our product does not contain batteries). and : The traffic light is made of ABS and PC materials, and the red transparent part is PC material. The black part is ABS material. Strong magnet base: The suction force of the magnet base is strong enough to fix the light right side up, upside down or sideways, freeing your hands so that you can repair the car or do whatever you want. The bottom magnet is detachable and can be installed on the back of the product as 4 Modes: Each traffic safety has four modes: 1. High 2. Low 3. Flashing 4. SOS. Single-button operation: Off -- High -- Low -- Flashing -- Off. Long press: SOS. You can choose the appropriate mode according to the actual situation. Wide range of uses: Our handheld LED lights are suitable as signal lights for intersection guards, air traffic control flashlights, traffic control, parking attendants, construction workers, etc.