Design upgrade: Add left and right button A more considerate design, adding timing button & on/off button markings to avoid accidental touches during operation. Large capacity battery ensures long battery life Using environmentally friendly battery, built-in large-capacity rechargeable battery, long-lasting battery life Silicone anti-slip mat safe and stable, Easy to weigh and stable to place. Three modes alternately display clearly at a glance Normal mode:When the physical switch is turned on, the left button is to manually reset the timing, and the right button is to reset the weight (place it on a stable desktop and turn it on to enter the normal weighing/timing mode.) M1 mode-manual flushing mode:Double-click the right button and the screen display the M1 pattern. Place the hand brewing utensil on the coffee scale, right-click to clear the weight, pour in the coffee powder, left-click to reset to zero, and automatically record the powder weight. After filling with water, it automatically start recording the time/water amount. M2 mode-espresso:Double-click the right button and the M2 pattern be displayed on the screen. Place the container on the scale and it automatically return to zero without any . When the liquid enters the cup, it automatically time and display the liquid weight. Stop the liquid pouring or remove the cup; the timing and weighting stop. Colour:Black Material:plastic+Silica gel+Metal Package Contents: 1x coffee scale Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.