Glue dispensing method: drip or continuous scribing Small infusion volume: 0.05ML Repetitive accuracy:±0.5% Automatic timing: 15-30S (0.01-0.3) Control port: single hole headphone jack port Electromagnetic valve: Standard precision electromagnetic valve Size:236*157*64mm Precautions 1.Due to the difference between different monitors,the picture may not reflect the actual colour of the item. 2.Please allow slight size difference due to different manual measurement.