Upgraded Patio Umbrella Light with 28 LEDs: Brighter enough 400Lumens Max, matched USB cable, more convenient to charge though power bank, computer or wall charger.2 Levels Brightness (28LED/8LED): Turn on dim light with 8 Led, or full light with 28 LED to set brightness for nightly outdoor activities.Newest Warm Umbrella Lights: Built-in 2pcs premium environmental-friendly rechargeable batteries (3.7V, 4400mAh) and the light will be on 18-54 hours after fully charged in 8 hours.Simply Installation: Cordless design with built-in flexible auto adjustable clamp, no tools required, just need to clamp to your sunshade, Pole mounted fit pole size from (0.78in to 2.04in) in diameter, suitable for most patio umbrellas.Rechargeable Umbrella Lights with top thick black ABS shell, portable and convenient, you can charged on power bank or notebook power adapter, perfect for outdoor use, camping tent, nightly leisure time and more!Produktbeschreibung Built-in Rechargeable Batteries. Much Environmental-friendly and Energy . Efficient than Other Old Version. Specifications: Light Size: 7-7/8"" x 7-7/8"" x 1-7/8"" LED number: 28 LED Lifetime: 50,000 hours Lumen: MAX 400lm at high light / Min 120lm at dim light Usage time: over 18h at high light / over 54h at dim light Clamp diameter: 0.78in to 2.04in (2cm to 5.2cm)( 0.1cm) Charging time: 8h(with plug in) Charging cable length: 98.2cm Inserted battery: 3.7V,4400Mah Simply Installation Cordless design with built-in flexible auto adjustable clamp, no tools required, just need to clamp to your sunshade. Power Source With a charging port which is universal for AC Adapter, Computer,Power Bank and so on multiple charging way. 2 Level Brightness Umbrella Light High light with 28 leds on - switch to the right Dim light with 8 leds on - switch to the left Shut off - switch to the middle Adjustable Clamp Pole mounted fit pole size from (0.78in to 2.04in) in diameter, suitable for most patio umbrellas. Widely Application LED Umbrella Lights Suitable for camping, barbecue, play CARDS, or sitting in the yard in the evening with your families or friends, and so on. Note: 1.This patio umbrella light could be recharged by power bank notebook power adapter, it would be about 8 hours. The light will be on 18-54 hours. 2.The batteries are well shielded and need no change. Please do not screw out the cover. 3.The umbrella light equipped with a matched charging USB cable. And the adapter is not included. Packaging 1*28LED warm umbrella light2 chargeable batteries built-in1*USB charging cable 1*manua