Specifications: Capacity: 500g Accuracy: 0.1g Scale size : 5..12x 3.07X0.79 in(LWH) platform size : 2.87 X 2.48inch (LW) Display LCD Screen Size: 1.26x0. 47 IN(LW) Weighing unit : g/oz/ozt/dwt/ct/gn Display show : LCD blue light Color : Black Operation instruction: Please put the scale on flat table 1: Press “ON/OFFâ€ÂÂÂÂopen the scale 2: press"MODE" to unit conversion when 0.0 or 0.00 show on the LCD 3:Put the goods on the scales after using conversion ,Weighing Attention: 1: Don't use it besides the wind or the computer.That would be inaccurate. 2.Do not use heavy objects or hand pressure scales plate over 200g If you accidentally press it,please recalibrate 3:Remember to take off the battery when you do not use it for a long time ,do not store in humid environment. 4: When the scale is dirty,you can wipe it with a dry towel. 5:Pls attention to the waterproof. Calibration : 1.Press the ON/OFF key to turn on the scale 2.Wait for the display to show “0.00gâ€ÂÂÂÂthen the press and hold the MODE key until the display show “CAL†then release . 3.Press the MODE key again ,the display will flash “CALâ€ÂÂÂÂfollowed by the required calibration weight 4.Press the required calibration weight on the center of the platform .The display will show “PASS†then return to normal weighing mode .Calibration is complete! Include 1x pocket scale (black) 1x color box packing 1x Operation instruction Battery not include About PONECA Professional team to do professional brand,professional brand to create professional products! Welcome to experience professional services,you won't regret the company in your daily life. Happy shopping! Thanks a lot for your support and understandï¼ÂÂÂÂ