| RYG 09 | A single LED for each color. |
| RYG 11 | Table-top enclosure with beeper; each super-bright LED shining from inside a 1/2" diameter dome. |
| RYG 11-4RLY | Table-top enclosure with beeper; each super-bright LED shining from inside a 1/2" diameter dome, and a four-channel relay module for controlling customer-provided lamps or horns. |
| RYG 13 | Flush-mount enclosure with beeper; each super-bright LED shining from inside a 1/2" diameter dome. |
| RYG 16 | 2 Inch diameter LED clusters. |
| RYG 17 | Table top enclosure with beeper; each super-bright LED shining from inside a 1/2" diameter dome, with programmable beep tones. |
| RYG 400-36 | 4 Inch diameter LED clusters, with 36 LEDs and dual loud beepers. |
| RYG 400-72 | 4 Inch diameter LED clusters, with 72 LEDs and dual loud beepers. |
| RYG 12-RLY | A single channel relay module only (no indicators), activated when an attached or connected timer is running. |