Portable Rechargeable Vein Finder designed to assist with IV access, blood collection, and vein visibility for nurses, phlebotomists, caregivers, clinics, and home care support Equipped with 18 high-brightness LED lights and near-infrared imaging technology to enhance subcutaneous vein contrast and help locate difficult veins more clearly across different skin tones Features 1-99 adjustable brightness levels to adapt to various skin conditions, vein depth, age groups, and lighting environments for more precise vein detection Smart one-button control design: short press to power on/off, long press to adjust brightness levels for fast and simple operation during busy medical or caregiving tasks Built-in digital display shows real-time brightness level and battery status for convenient monitoring during use Rechargeable battery supports fast USB-C charging with up to 100-120 minutes of continuous operation after approximately 30 minutes of charging Lightweight handheld vein viewer supports comfortable one-handed operation and easy portability in scrub pockets, medical bags, or home care kits Suitable for children, adults, elderly patients, chemotherapy patients, dehydration patients, and individuals with hard-to-find veins Package Includes: 1 × Vein Finder Device 1 × USB Charging Cable 1 × User Manual 1 × Packaging Box Important Notes: For best imaging performance, use in low-light environments. Avoid direct eye exposure to the infrared projection area. Device is not waterproof and should be kept away from moisture and high temperatures.