LANDFOX 200g x 0.01g LCD Digital Scale Jewelry Gold Herb Balance Weight Gram Place scale on a horizontal flat surface,press (ON/OFF) key to turn on the scale Powered by:2*AAA Batterles(not inculded batteries);Auto off:30 seconds off Operation temp:50-86 degrees Fahrenheit Tare range:Tare full capacity Display type:Digital;Calibration:Auto calibration