... 30*25mm Color: Red, Yellow, Green, Blue, White, pink Blue Submersible Tea Light LEDs for Wedding Centerpieces (Set of 12)Power: Reusable, 2CR2032 ... Simple Twist On-Off Product Description: Make sure that you wedding reception looks gorgeous. These little LED lights can be used ... hours. Color-changing is 24 hours, others are 50 hours. Blue Submersible Tea Light LEDs for Wedding Centerpieces (Set of 12)