Feature:1. A dry battery box is designed at the bottom of the warning light to facilitate the installation of 4 x AA batteries(not included). More convenient during use.2. The bottom magnet, strong magnetism, can be adsorbed on the metal surface without installation, convenient and quick.3. Red light cover is waterproof and dustproof, and dust will not enter the inside of the alarm lamp.4. The appearance is designed with head, the texture is hard, and it can adapt to the harsh environment.5. Suitable for traffic construction site signal light, flash, road barrier light, alarm light.How to Use:High magnetic installationSpecification:Item Type: Warning LightMaterial: ABS and magnetLight Cover Color: RedRated Voltage: DC 6VRated Power: 3WPower Supply: AA dry batteryBattery Model: 4 x 5AA batteries(not include batteries)Voltage: 1.5VPurpose: Traffic construction site signal light, flash, road barrier light, alarm light Package List:1 x Warning Light