Modular LED steady/flashing signal tower lightsSoft and comfortable signal light emitted through the translucent milky lensWhen the product is turned off the milky color filter provides comfortable viewing at close proximity for the operatorThe addition of modules and change in color arrangement can be achieved without the use of tools by using the Lock-type structureQTRA type offers a nifty integrated lens and cover for a simple aesthetically pleasing productBuilt-in buzzer available (Volume : Max. 85dB at 1m)Available in customized 2 sound buzzer type and high volume(100dB) buzzer typeCan be used with NPN open collector transistor driven input, which allows direct connection to a PLCFlashing rate : 60-80 flashes/minMaterials : Lens-PC, Housing-ABSAmbient operating temperature : -30°C to +50°CProtection rating: Standard type-IP65, Built-in buzzer type-IP54Pre-wired is standard. Can customize the product with the M12 connector if requested24VDC UL listed model is optionally providedCertificates : CE Compliant, UL ListedCompliant with RoHS directive