Description: 100% brand new and high quality. Three colors (Red+Yellow+Green) LED Strobe flashing light, always on without sound warning lamp. Widely used in industrial Lighting residential area, office building factory, traffic corner, school, bank. Ultra-high brightness LED light tube, have an excellent visibility and can be easily spotted over a large area. Easy to instal: Bolt-mounted Specification: Material: PC+ABS, Voltage: 24V DC Power: 3W Height: approx.270mm/10.63inch; Diameter: approx. 50mm/1.97inch Package Includes: 1 × Alarm Signal Lamp