Floral LED Lights, Standard with String , Submersible, On/Off Switch (12 pcs) LED Floral Light, Standard LED light with String, Submersible Specs: Pull the tab behind the light to turn on, push to turn off. (non-replaceable batteries are included) It last 36 to 48 hours. For dry use or submersible Dimension: 3/4" wide x 1-7/8" long Perfect for Floral Arrangement & Party Decoration. This LED Floral Light will fit most of the Tower Vases and Trumpet Vase. Always consult with the seller to make sure it fits into the tower vases.