Features 1、The Lamp housing is waterproof and dustproof, and dust will not enter the inside of the alarm lamp. 2、The appearance of the LED warning light adopts a bullet‑head design, and the texture is hard, which can adapt to the harsh environment. 3、There is a magnet at the bottom of the roadblock light, which has strong magnetism and can be adsorbed on the metal surface without installation, which is convenient and quick. 4、A dry battery box is designed at the bottom of the warning light, which is convenient to install the battery. It is more convenient to install 4pcs AA batteries(not included). 5、Wide range of uses, can be used as traffic signal lights, construction site signal lights, frequency flashing lights, road block lights, warning lights, etc. Specification Item Type: Warning Light Material: ABS/magnet Lamp Housing Color: Orange Rated Voltage: DC6v Rated Power: 3W Power Supply Mode: AA dry battery Battery Model: AA (4pcs AA batteries not included) Voltage: 1.5v Installation Method: Strong magnetic installation Purpose: Traffic signal lights, construction site signal lights, frequency flashing lights, road block lights, warning lights, etc. Package List 1 x Warning Light