Colorlight iM9 environmental monitoring and remote power control
The Colorlight iM9 multifunction card adds environmental monitoring, automatic brightness adjustment and remote switching to a compatible Colorlight LED control system. It is an accessory for managing the display installation, including fan and power-control functions.
iM9 specifications
The following parameters are from the linked V2.1 specification. The earlier listing described seven relays and a 143 × 93 mm board; V2.1 lists eight relays and 149.9 × 96.5 mm. Check the revision and mounting layout of your actual card before replacement.
| Parameter | Specification |
|---|---|
| System compatibility | Colorlight sending devices and receiving cards; confirm the installed configuration |
| Transmission equipment | Gigabit switch and fiber converter support |
| Relay switches | 8: 4 for the display and 4 for air conditioning, fans or other switching |
| Relay current limit | 3 A maximum, as stated for the power-control switch interfaces |
| Input voltage / rated power | DC 3.8–5.5 V / 4 W |
| Dimensions / weight | 149.9 × 96.5 mm / 180 g |
| Operating temperature | −25 to +70 °C |
| Monitoring | Temperature and humidity; smoke monitoring optional |
| Brightness control | Automatic adjustment according to ambient brightness |
| Audio | Supported in conjunction with the sending device |
Installation and sensor selection
Confirm the sender, receiving cards, sensor interfaces and relay load before connecting the card. Temperature-controlled outputs and brightness adjustment depend on the correct sensors and software setup. The relay current limit does not establish compatibility with every connected load.
Product photos


Specification download
Download the Colorlight iM9 specification (V2.1)
Frequently asked questions
How many relay switches does the Colorlight iM9 have?
The linked V2.1 specification lists eight switches: four for the LED display and four for air conditioning, fans or other switching functions. The previous listing described seven; verify the hardware revision when replacing an installed card.
Can iM9 automatically adjust LED screen brightness?
Yes. It supports brightness adjustment according to ambient light. Confirm the compatible brightness sensor, connections and software configuration for your installation.
Does iM9 support temperature, humidity and smoke monitoring?
V2.1 lists temperature and humidity monitoring. Smoke monitoring is optional and requires the appropriate monitoring hardware. Confirm which sensors are included in the supplied configuration.
What power supply does iM9 require?
The V2.1 specification lists DC 3.8–5.5 V input and 4 W rated power consumption. The two power-input interfaces are alternatives; the hardware guide says to use only one.
Can iM9 control fans and turn the display off when the signal is lost?
V2.1 supports temperature-controlled switching for suitable fan or air-conditioning circuits. It also describes automatic display power-off when the sender signal is lost and power-on when it returns. Relay ratings and the power-control wiring must be checked before installation.






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