AD22-22H series indicator lamp adopts high brightness and pure color LED luminescent chip as light source, It has long life , low energy consumption , small volume, light weight, high brightness, good reliability, beautiful appearance and exquisite manufacture. It is suitable for the electric power , telecommunication , machine tool , ship , textile , printing , mining machinery and so on .
The signal of the accident and other instructions.

The signal of the accident and other instructions.
| Voltage | Color | Type |
| 21-DC.AC 6V | Red Green Yellow Blue White | AD22-22H |
| 22-DC.AC12V | ||
| 23-DA.AC24V | ||
| 24-DC.AC36V | ||
| 25-DC.AC48V | ||
| 26-DC.AC110V | ||
| 27-DC.AC127V | ||
| 28-DC220V | ||
| 31-AC220V | ||
| 32-AC380V |
