Sun signal light, warning light (no need to charge) High brightness LED, fast flashing, ultra fast flashing, 2 flashing modes Usage: Ship signal light, fishing net marker light in the sea, can be used as warning and reminder lights for various buildings, etc Waterproof IPX7 rating, high waterproof degree The battery has a large capacity and can be used for a long time without the need for charging<br><br>Built in photosensitive element, does not flash during the day, automatically flashes at night Length: 18 x 9.7cm After being exposed to sunlight, it automatically stores electricity without the need for charging, making it easy to use. Good material, high waterproof performance, and drop resistance High brightness LED, visible from a distance, with signal warning function. Flash once per second, flash three times per second, 2 flashing modes Color:As Shown Material:plastic+metal<br><br>Package Contents: 1 * Solar Signal Light<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.