Supply voltage: 12-24V; Output: 5 channels, Max load current: 4A per channel. Timer controller enables automatic on/off operation of lighting fixtures based on user-defined settings for unattended control. Multi-function: Supports color selection, brightness adjustment, and speed control for compatible LED lighting products. Wide application: Suitable for use with LED plant lights, grow lights, light box advertising, household, and commercial lighting installations. High compatibility: Supports 1 to 5 channel output for RGBW, RGB, dual color, and single color LED lighting systems. Features a timing function that allows automatic activation of outdoor LED lighting without manual intervention, ideal for extreme weather conditions. Helps manage energy consumption by allowing users to schedule operating hours for individual lighting fixtures. Easy configuration via personal computer using included software (provided on CD); enables mode setup, time synchronization, and scheduling. Users can create, edit, and delete programs on a computer and transfer them to the controller via the included USB cable. Output type: Five CMOS open-drain outputs. Connection mode: Common anode. User-friendly: Set modes and programs from a computer and download directly to the controller. Operating temperature range: -20°C to 60°C. Color: Black. Material: PC + metal. Dimensions: 15 x 7.5 x 2.5 cm / 5.9 x 2.9 x 0.9 inches. LED screen size: 1.4 inches. Package Contents: 1 x LED timer controller, 1 x USB data cable, 1 x CD with compatible software, 1 x user manual. Note: Light and display differences may cause slight variations between the product image and actual item. Measurement error allowed within +/- 1-3 cm.