Check the listing for details. Innovative Lazer-Stik Underwater Light Stick. Condition: New. Listed at 12.45 USD. Innovative Lazer-Stik Underwater Light Stick PRODUCT DESCRIPTION Huge savings over other battery operated marker lights! Similar in size to a chemical light stick, the entire lens glows super bright blue, green or red! Comes in Constant-On or Flashing models. Lights last 12 hours (constant-on) and 20 hours (flashing) between battery changes. Rated to 350' depth. US Patent D391,653 - Canadian Patent 82779. Batteries included. We ship Monday-Friday 8:30AM - 5PM of EST While some orders would not be shipped out same or next day, they will be delivered by the eBay estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Please, contact us through eBay messaging if you need more information on the product