Features Foldable and Flexible: LED signal tower stacking head light supports 180 degrees folding, flexible in use, can be flat or side-mounted, very convenient, easy to carry. Stable and Durable:Using high brightness LED as the light source, the light source has a long life, LED stacking tower light is stable on equipment with high vibration and impact. Can be easily viewed at a distance. Excellent ABS Plastic Shell: The shell is made of ABS engineering plastic principle, high strength, good toughness, high temperature resistance, corrosion resistance and flame retardant. Used in Assembly Line and Workshop: Industrial signal warning light is used in industrial assembly line, workshop machine tool as safety warning light, very practical. Durable structure for long term use, each layer of light can be switched to continuous or flashing light mode. With Buzzer: High intensity LED signal light with low power consumption, easy to view from a distance, built-in buzzer, more convenient for warning. Specification: Item Type: LED Signal Tower Stack Light Material: ABS Tube Outer Diameter: Approx. 60mm / 2.36in Overall Length: Approx. 23cm / 9.1in Lamp Color: Two color (red, green) Buzzer: Yes Lighting Method: Steady Package List: 1 x LED Signal Tower Stack Light Note: Pay attention to electricity safety when using. Package List 1 x LED Signal Tower Stack Light