Compact size, convenient to carry. Tested and pre-calibrated, ready to use. * With three function keys: "ON/OFF" : press this button to turn on or off the scale; "MODE" : press this button to enter calibration modes, or select units of weight or recalibrate it; "TARE" : press this button to subtract the weight of vessel or container, restore the readout to zero. * Auto power off after 3 mins without operations. Large stainless steel platform. It is with a plastic cover protects the scale when not in use and can be used as an expansion tray. * Also features a space saving retractable display, and it is blue back-lit LCD display. Over-load indicator. * With a black leather pouch. Suitable for weighing spice, jewelry, coins, gold, medication, etc.