SheenColor H3 Wireless Vehicle LED Sign Controller
The SheenColor H3 integrates 3G and WiFi for vehicle-mounted signs. Its described workflow uses 3G for group program distribution and WiFi for point-to-point updates. USB communication is also supported, with Windows, Android and iOS terminals listed for management.
Vehicle Power and Display Functions
Brightness rises gradually at startup. The controller supports a 3–7 V input range and a five-second power-off delay intended to reduce restarts during brief supply interruptions. The interface list specifies an external 5 V DC supply connection.
GPS locating, automatic brightness adjustment, real-time temperature and humidity display, and USB sound card output are listed. Confirm the modules, sensors and audio accessories required for these functions.
SheenColor H3 Specifications
| Parameter | Specification |
|---|---|
| Communication | Integrated 3G and WiFi; USB |
| Terminal systems | Windows, Android and iOS |
| Grayscale | 65,536 levels |
| Input voltage range | 3–7 V |
| Power connection | 1; external 5 V DC supply listed |
| Power-off delay | 5 seconds |
| USB interface | 1; for USB flash drive or USB sound card |
| HUB interfaces | 4; LED sign connections |
| 3G antenna interface | 1 |
| WiFi antenna interface | 1 |
| GPS interface | 1; connects a GPS module |
| Storage entry | Listed as “4G”; capacity unit requires confirmation |
Confirm the Supplied Wireless Version
The original product title includes 4G, but the detailed feature and interface lists identify 3G and WiFi. Confirm any requested 4G version before ordering. The HUB connector subtype and maximum screen pixel load are not specified in the available description.
Frequently Asked Questions
How are 3G and WiFi used on the H3?
The listed workflow uses 3G for group program distribution and WiFi for point-to-point updates.
What supply voltage is listed for the H3?
The feature list states a 3–7 V input range, and the interface table specifies an external 5 V DC supply connection.
Does the H3 have a GPS connection?
Yes. One GPS interface is listed for connecting a GPS module. Confirm whether the required module is included.
How many HUB connections does it have?
The interface list specifies four HUB connections. It does not identify a HUB connector subtype.
Is 4G confirmed for the supplied H3?
The original title mentions 4G, but the detailed specifications describe 3G and WiFi. Confirm the exact wireless module version before purchase.
