This Pesola MS500 professional digital pocket scale has four different weighing units (g, oz, ozt, dwt) and a capacity of 500g for use in the field or laboratory. Stable hinged cover, protecting the whole scale from dirt and damage. Quick user guide inside the cover. Load cell with innovative design for extreme overload resistance. Linear and fine electronics with very precise measuring results (+ 0.1g) even at the edges of the platform. The large platform (77mm x 66mm / 3.03″ x 2.60″) is the highest element of the scale and thus allows weighing of oversize goods. Automatic switch-off after 120 seconds. Uses 2 x AAA (supplied). 2 year manufacturers warranty.