Portable LED headlamp with adjustable brightness: ensuring perfect lighting conditions, whether in well-lit rooms or dimly lit spaces, this inspection lamp guarantees optimal visibility without distortion or glare, allowing you to focus on the task at hand Premium optical lenses: multi-layer coating and aspherical lens design ensure clear imaging. Featuring a Galilean optical design that corrects chromatic aberration, it offers a wide field of view, long depth of field and high resolution, allowing you to experience unprecedented clarity and detail Multi-layer coating and aspherical lens design ensure clear imaging. Featuring a Galilean optical design that corrects chromatic aberration, it offers a wide field of view, long depth of field and high resolution, allowing you to experience unprecedented clarity and detail Comfortable and adjustable fit: Lightweight aluminium alloy and plastic frame with leather padding ensures all-day comfort. The rotating knob allows for free adjustment of interpupillary distance, whilst the manual focus design enhances examination accuracy, making it suitable for both novices and professionals Versatile application and long battery life: Built-in rechargeable battery supports up to 4 hours of continuous operation. Widely used in dentistry, surgery, cosmetic surgery, orthopaedics, ENT examinations, gynaecology and veterinary clinical examinations