1.Long-life and reliable LED Indicator.2.LED for energy saving and low maintenance cost.3.Screw-clamp for easy connection and strong conductivity.4.Widely use in electricity equipments, textile machines, printers, ships and mining machines.5.These panel mount pilot lights are sure to give you visual status cue of any indexing signal, anticipating signals, emergency 6.signal and other indexing signals.7.Simply drill an 16mm 58 Inch hole, and use the included screw ring to secure this Indicator Light to any 12 volt power source.FeaturesRated Voltage ACDC 12VLight Color RedModel AD16-16CMounting Hole Size 16mm 58 InchContinuous Working Life Over 20000hOverall Size 45 19mm 1.77 Inch 0.75 Inch Total LHead Under Head Length 36mm 1.42 InchPackage Content 3pcs Indicator LightNet Weight 27g