Multi-Color Warning Light with Seven Color Options Emits a cozy and comfortable hue QMCL series signal lights have a milky translucent hue when turned on. These signal lights provide a comfortable and stable viewing condition for workers in close proximity Helps reduce the costs of installation by reducing the space needed to emit seven color signals in a single warning light Milky translucent color when off, the soft LED illuminates designated colors when on Built-in buzzer available (Volume : Max 80dB at 1m) Materials : Lens-AS, Body-ABS Ambient operating temperature : -30°C to +50°C Protection rating : IP65 Certificates : CE Compliant Complaint with RoHS directive