*Disposable water activated marker lights *Lights turn on when they come in contact with water and turn off when they are dry *Flashing only *COLORS: Red, Blue or Green * FULL MANUFACTURER'S WARRANTY *SCUBA diving equipment

Batteries are non-replaceable.  Light lasts 500 hours under water. Helps you keep track of your buddy under water. Ideal for dawn, dusk and night dives - make divers easy to spot under water and are reusable unlike glow sticks. Flashing mode only. Lights turn on when they come in contact with water and turn off when they are dry.

Item Weight: 0.15 Pounds. Color: Green. Number of Items: 1. Ink Color: blue. Brand: Innovative Scuba Concepts. Date First Available: August 6, 2004. Best Sellers Rank: #62,040 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 465 ratings 4.6 out of 5 stars. : B00LLV2UVY. Included Components: ?Water Activated Flashing Marker Light. Style: ?Chisel. Part Number: ?LT0709. Manufacturer: ?Innovative Scuba Concepts. Number of Items: ?1. Color: ?Green. Brand Name: ?Innovative Scuba Concepts. Item Weight: ?0.15 Pounds. Item Dimensions LxWxH: ?3.5 x 0.6 x 0.5 inches. Package Weight: ?0.09 Kilograms. Item Package Dimensions L x W x H: ?7.9 x 4 x 0.6 inches.