1. Mobile phone Bluetooth APP control, with a range of up to 20M 2. 25 vibrant music modes + 180 standard modes 3. Various parameters can be adjusted through the APP 4. Includes power-down protection feature 5. Compatible with integrated circuits, APP adjustable 6. Purpose: LED pixel light (symphony light bar, full-color) 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 to 85 Celsius Support IC: compatible with common LED driver ICs available in the market Color: White Material: ABS Size: 85x45x22mm Package Contents: 1 * LED controller 1 * audio cable 1 * Light bar pair wiring 1 * DC female cable 1 * screwdriver Only the above package content, other items are not included. Note: Lighting and different displays may cause the item's color to vary slightly from the actual product. The allowed measurement error is +/- 1-3cm.