Strong Suction MagnetThe Safety Barricade Light is equipped with a strong suction magnet that can be placed on the metal items. Round Compact and Lightweight Safety Barricade Light is compact and lightweight, easy to carry and can fit in your pocket. LED Warning LightCR2032 Warning Light has LED light source, providing warning light, can replace traditional warning signs. Long Term UseThree different flashing red lights. LED chips have a long life and can be used for decades without frequent replacement. Qualified MaterialThe product made of high quality ABS and PVC material to prevent vehicle rolling, waterproof and oilproof. Feature: 1. The product is equipped with a strong suction magnet that can be placed on the metal items. Round 2. It's compact and lightweight, easy to carry and can fit in your pocket. 3. LED light source, providing warning light, can replace traditional warning signs. 4. Three different flashing red lights. LED chips have a long life and can be used for decades without frequent replacement. 5. The product made of high quality ABS and PVC material to prevent vehicle rolling, waterproof and oilproof. Specification: Condition: 100% Brand New Item Type: Warning Light Material: ABS+PVC Color: As Pictures Shown Product Size: Approx. 6.2x2.4cm/2.4x0.9in Weight: Approx. 109g/3.8oz Model Number :3 Different Flashing Red Lights The Light Bulb: 8 x LED Type: Button Battery Voltage: 3V Capacity: 200 mAh Model No. : 2 x CR2032 Batteries Powered LED Life: 100,000 Hours Package List: 1 x Yellow Warning Light 1 x Red Warning Light Note: Delivery with battery.A screwdriver is needed to replace the battery.