waterproof ring design, 100% watertight, can be used at a depth of 300 meters.
The two-stage switch, you can adjust the flash and self-lit two luminescent modes.
The inner tube has three batteries, can be used day and night, continuously flashing battery time of up to 30 hours.
The overall crashworthiness pressure rust-proof.
High brightness display and visual positioning accurate
Low power consumption and ultra long shine time
Take out the battery after using, and avoid damage to the battery and light