Item Type: LED Signal Tower Stack Light_x000D_Material: ABS_x000D_Tube Outer Diameter: Approx. 60mm / 2.36in_x000D_Overall Length: Approx. 23cm / 9.1in_x000D_Lamp Color: Two color (red, green)_x000D_Buzzer: Yes_x000D_Lighting Method: Steady 1FOLDABLE AND FLEXIBLE: LED signal tower stack light support 180 degree folding, flexible to use, can be flat or side mounted, very convenient 2STABLE AND DURABLE: Adopt high brightness LED as the light source, the light source has long life and strong stability on equipment with large vibration and impact 3EXCELLENT ABS PLASTIC SHELL: The shell adopts the principle of ABS engineering plastic, with high strength, good toughness, high temperature resistance, corrosion resistance and strong flame retardancy 4FOR ASSEMBLY LINES AND WORKSHOP: Used for industrial assembly lines, workshop machine tools as safety warning lights, very practical 5WITH BUZZER: High strength LED signal light with low power consumption, can be viewed easily at a distance, built in buzzer, more convenient to warn1 x LED Signal Tower Stack Light