FLASHLIGHT IR PORTABLE INFRARED FLASHLIGHT 5IN - Rotate the flashlight head to adjust the beam size for focused or wide illumination. - Waterproof design with standard O-ring seal, suitable for use in rainy conditions. - Constant current drive with voltage regulation, equipped with a two-mode DC-DC converter for high efficiency. Replace the battery when brightness decreases. - Focusing infrared flashlight with 850nm wavelength, compatible with night vision devices, camera illumination, and surveillance systems. - Ideal for outdoor activities such as camping, hiking, climbing, forest exploration, or indoor tasks like repairs and locating small objects. Specification: - Item Type: Flashlight - Color: As shown in the pictures - Product Size: Approx. 13.6-15.8 cm / 5.4-6.2 inches (retractable length) - Lamp Head Diameter: 3.5 cm / 1.4 inches - Weight: Approx. 165 g / 5.8 oz - Material: Aerospace aluminum alloy - Lens: Transparent magnifier with anti-reflective coating - Bulb: 5W 850NM Infrared - Infrared Range: Up to 30-100 meters / 98.4-328.1 feet (varies by system compatibility) - Working Time: 1.5-5.5 hours (depending on battery capacity and mode) - Lifespan: Average 10,000 hours - Operating Voltage: 0.8 V - 4.2 V - Power Supply: 3xAA or 1x18650 (battery not included) - Switch: End cap push-button switch Package List: - 1 x Flashlight - 1 x Battery Conversion Housing Note: This portable device is an infrared flashlight, not a visible light flashlight. It is designed to provide illumination for night vision equipment or infrared cameras. Infrared illumination distance depends on multiple factors including lens size, circuit design, camera sensitivity, and overall system configuration. Performance cannot be determined by flashlight output alone.