Full model example: ONN‑M4EX‑1‑B‑E‑T‑RYG‑Y
| Code Segment | Definition | Description |
|---|
| ONN‑M4EX | Series | Explosion‑proof warning light |
| 1 | Layer | 1 = Single layer |
| B | Voltage | A=AC/DC12V; B=DC24V; C=AC220V |
| E | Function Mode | A:Flash+Steady‑on + buzzer; B:Steady‑on; F:Steady‑on+buzzer; S:Red flash; C:Red flash+buzzer; D:All flash; E:All flash+buzzer |
| T | Connect Type | C=Contact type; T=PNP & NPN |
| RYG | Color | R=Red; Y=Yellow; G=Green |
| Y | Voice Version | Y=Voice‑broadcast; N=Non‑voice |