**Product Specifications:**
**Brand:** FENIX
**Model:** HM23
**Description:** High reliability lightweight headlamp designed for harsh environments, with a brightness of up to 240 lumens. Suitable for activities such as running, hiking, and mountaineering.
**Material:** Aluminum alloy body
**Light Source:** Cree LED with a clear and soft 240 lumens output
**Power Source:** 1 x AA battery for convenient and cost-effective use
**Weight:** Approximately 43g (excluding battery)
**Lighting Modes:** High, Medium, Low
**Battery Life:** Up to 100 hours on low mode
**Adjustability:** 180° angle adjustment for versatile lighting needs
**Safety:** Reflective headband for increased visibility up to 50 meters
**Water Resistance:** IP68 rated, can work underwater up to 2 meters
**Dimensions:** 69.5Ã40Ã32mm
**Packaging:** Includes HM23 headlamp, headband, silicone bracket, AA battery, spare O-ring, warranty card, manual
**Brand Story:** FENIX specializes in innovative outdoor sports lighting products designed for extreme environments. They aim to provide high-performance lighting solutions for users worldwide.
Note: The specifications provided are based on testing in FENIX laboratories and may vary depending on battery type and environmental conditions. High mode battery life is cumulative due to temperature control protection.