The W4000-500 Accuris Mini Balance is extraordinarily compact, easy to use, and convenient for a variety of laboratory weighing applications. With a footprint of only 2.6 x 3.9 inches, these Mini Balances offer exceptional accuracy and linearity through their full weighing ranges. Available with a 500 gram capacity, the W4000500 digital balance features an easy to read, backlit, liquid crystal display. Buttons for ON/OFF, MODE and TARE are located on the front for easy access. The software includes a calibration function for in-lab calibration with a 100 gram or 500 gram calibration weight. Calibration weights are available separately. Designed for portability, the Accuris Mini Balance is powered by 2 AAA batteries (included). After one minute sitting idle, the power automatically shuts off to conserve battery life. Ideal for lab or field use, each balance includes a snap on, protective cover with instructions conveniently printed on the underside.