Brightz BugBrightz LED Twinkling Outdoor Fairy String Lighting, Yellow/Green Catch the summer spirit and get glowing. Bug Brightz are sure to light up any outdoor festivity. Use these fun, twinkling lights for camping, tents, backyard barbecues, boats, poolsideyou decide. Put them in mason jars or string them through the trees. There are 5 feet of 30 yellow and green micro LEDs that twinkle at random for 12+ hours. Just like real lightning bugs. Required 3 AAA batteries - not included. The lights are waterproof, so they can be submerged in water, but keep the battery pack dry. Bug Brightz are reusable so you can take them anywhere, again and again.