Product description Package content: 1 * cordless umbrella light 1. 3-level brightness modes for umbrella LED light. You can turn on 4, 24 or 28 LEDs to set your own brightness for different occasions 2. Self-adjusting clamps fit most patio umbrellas with a 1/4-inch rod, two hook design make the light easy to hang or carry, put on the ground, in your tent, or just for fun hang from a tree, no tools required. 3. Cordless design with built-in flexible self-adjustable clamp, easy to clip to your sun visor, fits most patio parasols Used as umbrella lighting, camping tent lighting, temporary emergency lighting. 4. Requires 4 AA batteries (not included). Can clamp umbrella posts with a diameter of 2.5cm-4.5cm Up to 100 lumens