TomTop 1000g x 0.1g LCD Mini Digital Jewelry Pocket GRAM Scale 1. Occupy little space and weight 2. Easy to be used 3. 1 minutes of auto power off 4. 7 weighing units, including G, OZ, OZT, DWT, CT, TL, GN 5. Well-read display with white backlight. 6. Tare function 7. Automatic alarm by low battery