Compatible with all SPI led strip lights. High performance, low power consumption Bluetooth microprocessor. With newest APP design, rich functions, fashionable UI deisgn. No limit to add controller in group, as long as controller to controller distance is less than 30m, signal will be sync. Each controller can be distributed to different groups, max can be in 10 groups Easy to add contorller in app, and easy to set groups, every people can handle it. Working voltage:DC5V-24V Working current:15mA-60mA Working temperature:-10°C-60°C Data type:SPI Maximum number of control points:900 size:118mm X 45mm X 15mm IC type:Conventional return-to-zero three-channel LED driver IC Wireless distance (open space):The straight-line distance between two devices in a Mesh network group is no more than 30 meters, and the frame synchronization signal covers 260 meters Network characteristics:BLE Mesh network, a single group supports 200 devices, devices can span 10 groups Colour:As Shown Material:ABS Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * LED light controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.