1. No leakage, no wiring, long battery life
2. One-key switch, three modes can be switched at will, flashing/marquee/constant light
3. Applicable scenarios: bars, restaurants, weddings, parties, etc.
4. Power supply: CR1620 button battery x 2, replaceable when used up
5. Material: PC
6. Dimensions: diameter 10 cm, thickness 4 mm