Feature: 1. [Automatic Strobe]: Automatically strobe when power is on, the red is connected to the positive pole, and the black is connected to the negative pole. 2. [Applicable To Many Places]: It is suitable for security guard booths, gates, road tunnels, airports, construction sites, etc. as warning lights. 3. [Excellent Material]: Use ABS flame retardant material, high temperature resistance, corrosion resistance, and not easy to deform. 4. [High Visibility]: LED large strobe light. In rain, fog and snow, bright yellow lights can be easily seen, which is an effective warning. 5. [High Quality]: This LED beacon light is made of high quality materials and has good performance. The frequency of flashing is about 90 times/min. Specification: Item Type: LED Alarm Flashing Light Model: 05E Material: ABS Color: Yellow Uses: Security Guard Booths, Gates, Road Tunnels, Airports, Construction Sites, Etc. Strobe Frequency: About 90 Times/min. Package List: 1 x Flashing Light2 x Screw2 x Expansion Tube