The TAMO LASER DISTANCE METER LD50 is a professional-grade measuring device offering ±2 mm accuracy and versatile features. Measure distances, areas, and volumes effortlessly. It includes Pythagoras theorem measurement and the ability for addition and subtraction measurements. Automatic backlight and button sound make operation easy. Laser class II and laser type 630-670nm,<1mW ensure safe usage. It also features automatic power-off to save battery. Suitable for various applications, it's ideal for construction, renovation, and interior design projects. Batteries are included, and the battery life is up to 8000 measurements. Its compact and lightweight design makes it easy to use and carry. Dimensions: 112x50x25mm, weight 90g.