Clear and Strong Signal Light Emitted through the Colored Diffusion Lens Modular steady/flashing type signal tower lights Excellent visibility from a distance with the use of a special color diffusing lens Can select from size selections of �50mm, �60mm, and �70mm to fit your sophisticated application needs The addition of modules and change in color arrangement can be achieved without the use of tools by using the Lock-type structure QTGA type offers a nifty integrated lens and cover for a simple aesthetically pleasing product A variety of mounting bracket selections for the pole mount type to fit your location and mounting needs Buzzer sound output : Sound volume of Max 85dB at 1m Available in 2 customized options; sounds buzzer type and high volume(105dB) buzzer type Can be used with NPN open collector transistor driven input, which allows direct connection to a PLC Flashing rate : 60-80 flashes/min Materials : Lens-PC, Housing-ABS, Pole-Al Ambient operating temperature : -30°C to +50°C Protection rating : Standard type-IP65, Built-in buzzer type-IP54 Certificates : CE Compliant, UL Listed Compliant with RoHS directive