Specifications: Widely use in electric power, telecommunications, machine tool, motor, home appliances. Hight brightness LED for easy recognition. Screw-clamp connection. Simply drill an 22mm (7/8inch) hole and secure it with the screw ring. Tested over 20000 hours of using time. Type: LED Indicator Light Metal: Metal Model No: AD16-22DS Rated Voltage: AC 220V Current: 20mA Features: Easy to Install, Durable, Good Replacement, High Performance Size: 51mm x 30mm x 20mm/2.01" x 1.18" x 0.79" (Approx.) Notes: You will find more amazing products if you visit our store. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x LED Indicator Lights