The 4000 Lumen headlamp has been manufactured by Fenix. It features a neutral white XHP70 LED, along with two warm white Luminus SST20 LEDs (with a lifespan of 50,000 hours). The 4000 Lumen headlamp delivers a maximum output of 4000 lumens and a high CRI floodlight with a maximum power of 1200 lumens; it is waterproof up to 2 meters and shock-resistant up to 2 meters. Equipped with a waterproof internal USB Type-C charging port. It has a high-capacity battery case with quick release, featuring a red light function and power bank functionality. Additionally, it is equipped with a rotary switch and an electronic switch for easy and fast operation. The fire-resistant rubber strap and the quick-mount shell design make the lamp compatible with various types of helmets (SAR Edition only). The silicone strap can be used normally in a temperature range from -20°C to 120°C.