DC 5V-24V input, RF Remote control, long distance, mini size, wire connection is simple and very easy to use With various kinds of patterns, which are vivid and beautiful, brightness is adjustable, Each controller can control up to 1024 pixels R/G/B keys can be reordered to match with your LED light if needed. Prevent reverse connection of power supply. Protect lamp and controller. Save user setting automatically when power off. Specifications: Voltage: 5-24V Operating Current: <30 mA Operating temperature: -20-60 ? Battery Type: CR2025 63 Kinds effects 1024 Pixel Max control 21 Key remote controller Package Included: 1 x 21 Keys Remote Controller, 1 x LED Controller, 1 x User manual