... 3.LEDs qty, 31pcs 3W 4.life:50000hours LED Water column / LED Bubble column / Water column light Apply to :Stair railing, garden, hotel, hotels, rooms, home ... function: Human body come near,the light on;body go after 15-20 seconds,the light off. 6. This product is passed ... , rooms, home, office, bar KTV, cafes, and entertainment area. LED water column