Bright red anti-rust paint Metal housing,Environmentally friendly paint, high temperature curing shell with bright and beautiful color, wear- and -. Things to note: This type of product should not be used for more than 3 minutes at a time, and there should be a 30-minute interval between each use. The base is made of iron die-casting, which is strong and not easy to deform.The product is made of rust-proof iron shell material, which not corrode even in harmful environments. The product is and has few motor failures. Connect the of DC12V to the positive side and the black line to the negative side. If you connect them in reverse, there be no sound! Fast speed, loud sound up to 120 decibels,Spot the sirens in time., Manufacturer: Ounfhtrttk