Unlike ordinary electronic candles, it floats on the surface of the water, which makes your using scene more romantic. There is no need to manually turn on the switch, it will automatically turn on when placed on the water surface, and it will automatically turn off when you get away from the water. Safe and environmentally friendly, no flame, no smell, can be recycled. Note This product may float on water, but will not enter water. If the spark plug is submerged, it may damage the internal wiring. After 48 hours of use, the light will gradually fade. Please replace the button cell battery in time. If the bottom stack cannot be rotated manually, secure it with the clip, then unscrew it. Whenever you finish using, remove the tea lights from the water and then dry the water to prevent rust from forming on the bottom sensor and battery (Very Important) Package including 12 x Warm White LED Floating Candles Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store