KEEGH High-Precision Digital Milligram Pocket Scale 100g / 0.001g Reloading, Jewelry Scale, Tare & PCS, LCD Display with Calibration Weights and 2 AAA Batteries

Units: g / oz / ozt / dwt / gn / ct
Tare range: Tare full capacity
Auto off: 180 seconds off
Operation temp: 10-30℃
Power: AAA Batteries * 2pcs
Dimensions: 115 x 65 x 20 mm
Weight: 140g

How to Calibrate:
Turn the scale by pressing ON/OFF Key.
Wait for the display to show ”0.000g”, the press and hold ”MODE” Key till the display screen shows ”CAL”, then release. Press ”MODE” Key again, display will flash ”CAL” followed by the required calibration weight.
Place the required calibration weight on the center of the platform, display will show “PASS”, then return to normal weighing mode. Calibration is completed! Repeat above steps if something goes wrong.

The primary reasons for inaccuracy or malfunction are low batteries, incorrect calibration, overloading or operating on an unstable surface. Please keep this in mind and maintain and operate your scale properly.
The scale is a precise instrument and must be handled with care and caution.