Outdoor Emergency Light Safety Helmet Flashing Light IP67 Water Resistance Survival Light with Hanging Neck Rope

Features:
Made of high quality silicone and resin material, durable.
Built-in CR2032 battery, provide up to 100 hours service life.
Integrally-formed with great IP67 waterproof performance.
Full strong adhesive fastener tape at the back, stick firmly.
Ordinary light mode and flashing mode for your choice.
Additional neck rope, convenient to carry and free your hands.
Note:
You can replace the battery by yourself, but replacing the battery will affect the waterproof performance.