Feature:1. High Brightness: Works as the light source, the LED enables stable bright lighting on vibrating machine and equipment.2. Three Color LED: Red, yellow and green 3 colour flashing lamp ensures better alarming effects in the dark environment.3. Broader Utility: Can be widely applied to industrial assembly lines, workshop machine tools and so on, very practical.4. Better Material: High in strength and toughness, the flame retardant ABS shell is durable with corrosion and long use.5. Foldable Design: Allows for flexible 180 degree folding, the lightweight stack light can be mounted flat or side mounted.Specification:Item Type: Signal TowerMaterial: ABSTube Outer Diameter: 60mm / 2.36inOverall Length: 28mm / 1.1inLamp Colour: 3 colours, red, yellow, green. Voltage: 12-24V DC, universal. Buzzer: NoLighting Method: Flashing.Package List:1 xSignal TowerNote:Pay attention to electricity safety when using.