903S Multi-Color LED Revolving Warning Light

The 902S Multi-Color LED Revolving Warning Light represents a new generation of smart warning lights. It supports seven working modes (strobe, flash, rotate, constant light, and more) plus 13 common light colors. Users can easily change warning sounds and upgrade firmware via USB flash drive or TYPE-C connection to a computer. Each trigger can be independently configured for light color, flash pattern, and voice prompt using the included remote control or onboard buttons. Volume is adjustable to match any environment, and trigger logic can be switched between high-level and low-level activation. Widely used on engineering vehicles, power systems, telecom towers, large trucks, and industrial robots, the 905S makes industrial safety more intelligent.

Feature List

• 7 Visual Modes – Strobe, flash, rotate, constant light, and more for versatile alerts.
• 13 Built-in Colors – Covers most industrial signal requirements without lens changes.
• USB & TYPE-C Voice Upload – Change warning tones and upgrade firmware via flash drive or computer connection.
• Remote & Button Configuration – Assign light color, flash pattern, and voice per trigger input.
• Adjustable Trigger Logic – Switch between high-level and low-level triggering for system compatibility.
• Volume Control – Adapt sound output to noisy or quiet environments easily.

Parameter

model	903S Multi-Color LED Revolving Warning Light ​​
	Audio	silent
Power supply method	DC 8 ~ 30V
Wiring definition	Red wire: Positive power supply;  Black wire: negative power supply ; Yellow wire: trigger hold, works when triggered ; Green wire: trigger hold, works when triggered ; White wire: trigger hold, works when triggered .
Size	90X120mm
Color variety	milky
audio format	WAV (bitrate: 8 ~ 320Kbps)MP3 ( 32–320 kbps )	none
Operating current	Standby mode ≤ 10 mA (DC 12 V)Playback mode ≤ 600 mA (DC 12 V)	≤150MA ( 12V )​​​
Audio output power	4Ω/5W (typical value)	none
Sound loudness	≤110dB within 1 meter	none
sound mode	28 alarm sounds are preset by the factory.(The voice can be changed via computer or USB flash drive)	none
Volume level	7- level adjustable volume	none
Lighting modes	Strobe, Rotate, Constant On , 1Hz Strobe, 5Hz Strobe , Off
Light color	Choose from 13 colors: 1. Red 2. Green 3. Blue 4. Yellow 5. Cyan 6. Magenta 7. Orange 8. Yellow-Green 9. Cyan-Green 10. Cyan-Blue 11. Purple 12. Pink 13. White
Can magnets be added?	yes
Protection level	IP65
Work mode	operating modes are available: power-on trigger mode, high-level trigger mode, low-level trigger mode, high-level edge trigger mode, and low-level edge trigger mode.
Power-on response time	≤1 second
Operating temperature range	-20℃ to 70℃
relative humidity	10%～95%
appendix	Standard package includes: IR remote control x1, , instruction manual x1 , and mounting screws x3. Optional accessories: Magnet kit (optional), Mounting bracket (optional)

3-channel trigger

RS485-modbus control

Dimension