YIERBLUE Rechargeable Spotlight Flashlight 900000 High Lumen, IP66 Waterproof Spot Lights Outdoor Handheld, 20 Hours Long Lasting LED Large Flashlight with Foldable Stand and Detachable Red FilterDouble Layer Radiator cup It dissipates heat faster than a single-layer cup It can prevent the LED light beads from being damaged by excessive temperature..