SIGNAL TOWER LED 50MM BL/R/G/Y 27VAC/30VDC; Visual Signal Type:-; Tones:-; No. of Stacks / Tiers:4; Module Lens Colour:Blue Green Red Yellow; Lens Diameter:50mm; IP / NEMA Rating:IP67; Supply Voltage VAC:27V; Sound Level SPL:-;RoHS Compliant: Yes