Waterproof LED Candle 12-Pack by Mogics, Amazing Multi-Function Compact LED Light - 100% Waterproof, USB Rechargeable, 3-Way Function (Direct Light, Glowing Candle, and Flashing Strobe) Attaches to any Magnetic Surface! Great for Home, Spa, Outdoors, Students, Camping, Anywhere! Multifunction  e.x. Bicycle taillight, candlelight dinner, tough environmental light, emergency torch etc. Rechargeable  A 300mA Li-Ion polymer battery. USB Charging Cable Sold Separately. Control Interface  One button for all features control. Switching between 3 Modes + Power On/Off + Float/Sink options. Waterproof  For even more versatile applications. E.x. Underwater lighting, candlelit bath, Swimming pool decorative lighting  etc. Compact- Imagine all the above designed in a 1.4 inch diameter, 0.7 inch height tiny cylinder similar to a tea candle.