The moisture meter can quickly measure the moisture content of the grain. 1. High-power red LED: Nine round red LEDs make it easier and faster to locate veins. Blood naturally absorbs this frequency of light, making the veins more visible through the skin. 2. Easy to find vein: Gently press the skin with your hand and slowly move the device from side to side. Veins will appear as shadows or dark lines and will be visible at the periphery of the red light surrounding the device. 3. Easy to carry: This vein finder is slim and compact, making it convenient to carry. It can be carried in a bag or pocket and is suitable for use indoors or outdoors. 4. Application situations: Suitable for use in pediatrics, oncology, radiology, emergency care, geriatrics, laboratory, surgery, outpatient clinics, and other medical settings. 5. Suitable for: Especially beneficial for infants, children, obese patients, and individuals with dark or hairy skin on areas such as the forehead, hands, arms, legs, and face. Infrared Vein Finder Browser Infrared Vein Finder Browser Specification: Item Type: Vein Viewer Material: Aluminum Alloy Weight: Approx. 56 g / 1.98 oz Size: 95x28mm / 3.74x1.10in Battery: 3xAAA (battery not included) Light Source: Red Light Application: Vein finder, red light physiotherapy Infrared Vein Finder Browser Infrared Vein Finder Browser Package List: 1 x Vein Search Browser Infrared Vein Finder Browser Infrared Vein Finder Browser