Specification:
Maximum weight: 30g / 0.001g, 1.0582oz / 0.0001oz, 150.00ct / 0.005ct, 0.9645ozt / 0.0001ozt, 19.29dwt / 0.001dwt, 462.975gn / 0.001gn
Display: 5 digit blue backlit LCD
Auto power off: 3 minutes
Operating temperature: 5 - 35°C
Scale dimensions: 9 x 10 x 3cm ( 3.5 x 4 x 1.2 ")
Screen dimensions: 3.2 x 2.2cm ( 1.2 x 0.5 ")
Weighing platform diameter: 2cm ( 0.7")
Powered by: 2X AAA batteries ( Not included )
Unit conversion: goz /ozt / dwt / ct / gn
Color of back light: blue ( optional )
Bubble level

Operation:
Install battery"AAA"x2. Put the scale on a vibrationless, calm, no electromagnetic interference and solid plat surface
1. Turn on the scale. Press [ON] for 2 seconds until 0.000 appears
2. Weighing. Put the article on the scale's salver. You can read the data when "o" appears on top left corner
3. Unit conversion. Press [MODE] to change weighing unit
4. Tare. Press [TARE] for Re-zero
5. Turn off the scale. Press [OFF] to turn off the scale

Galibration:
[ Note: to ensure weighing accuracy, please calibrate the scale before each use]
1. Turn on the scale by pressing [ON] for 2 seconds until 0.000 appears
2. Press and hold [ON] again for 5 seconds until "0" appears, then release it
3. Put the 20g or 50g weights on the scale. About 3 seconds later, the weighing data stop blinking, and the weight is displayed. Calibration is successfully!

Package Content:
1 x 30g x 0.001g Digital Portable Jewelry Scale ( Batteries Not Included )

• Maximum weight: 30g / 0.001g, 1.0582oz / 0.0001oz, 150.00ct / 0.005ct, 0.9645ozt / 0.0001ozt, 19.29dwt / 0.001dwt, 462.975gn / 0.001gn
• Display: 5 digit blue backlit LCD
• Unit conversion: goz /ozt / dwt / ct / gn
• Scale dimensions: 9 x 10 x 3cm ( 3.5 x 4 x 1.2 ")
• Screen dimensions: 3.2 x 2.2cm ( 1.2 x 0.5 ")

Maximum weight: 30g / 0.001g, 1.0582oz / 0.0001oz, 150.00ct / 0.005ct, 0.9645ozt / 0.0001ozt, 19.29dwt / 0.001dwt, 462.975gn / 0.001gn