StreamLine Modular Multifunctional LED Combination Audible/Visual Signal, Amber - Compatible with 12-24VAC/DC or 120-240VAC (a). PLC compatible with PNP or NPN connections (a). Three Channels included: Simulated strobe, Simulated strobe plus tone 1, Steady light plus tone 2. 50,000 hour LED. Five lamp/lens colors: Amber, Blue, Clear, Green and Red. Seven mounting base options. Type 3R, IP65 enclosure. CE Certified and RoHS Compliant. UL and cUL listed. (a) Note: Voltage and PLC connections are dependent on selected base.