Battery not included. Download Magic Home Pro from the App Store or Google Play, then you can change brightness, sensitivity and colour modes and turn the light on and off. Also equipped with RF remote control. - Compatibility and control: Works with WS2812, WS2812B, WS2813, SK6812, WS2815, SK6812, SY8208B, APA102, UCS1903, SM16703 RGB LED strips. Voice control compatible with Amazon Alexa, Google Home Assistant and IFTTT. - Power and wiring: DC5-24 V. Can be used for 3-pin WS2811 WS2812B RGB LED strips (app Magic Home Pro). - Pixel capacity and effects: Supports single wire driver IC up to 2048 pixels. 16 million static colours, over 33 dynamic modes in the app. Brightness and speed are adjustable. You can create your own mode, including static, flowing water, strobe, jump, breathing, etc. Create colours using an image gradient and fill colour. Use scenarios: - Create ambient lighting in living spaces with voice or app control for scenes and moods. - Enhance gaming or home theater setups with dynamic PC/TV backlighting and color patterns. - Useful for retail displays, exhibits, or signage that require programmable large-pixel light effects.