1. Mobile phone Bluetooth APP control, the distance can reach 20M 2. 25 colorful music modes + 180 regular modes 3. Various parameters of the lamps can be adjusted in the APP 4. With power-down protection parameter function 5. Compatible with various ICs, APP adjustable 6. Purpose: LED pixel light (symphony light bar, full- light source) Product parameters: Product name: LED controller Working voltage: DC5-24V Working current: 18mA-45mA Control capacity: 2048 pixels Output signal: SPI signal Built-in patterns: 180 types (non-music mode) + 15 types (light bar music mode) + 10 types (light screen music mode) Control mode: APP Bluetooth control RGB sequence: adjustable ldhi in APP Working temperature: -25 Celsius-85 Celsius Support IC: support common LEDL driver C on the market Colour:White Material:ABS Size:85x45x22mm Package Contents: 2 * LED controller 2 * audio cable 2 * Light bar pair wiring 2 * DC female cable 2 * screwdriver 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.