Battery: 2xAAA(Not Included) Display Type:LCD Function Buttons and Instruction:1. ON/OFF(Switch on/off) Put batteries into the battery room of the scale, Place the scale on a solid and flat board without wind and vibration, keep the bubble in the center of the black ring. Put ON/OFF show then 0.000, it's ready to work. ON/OFF switch off the scale. If there is wind when weighing, please put down the wind shield. 2. UNIT(Unit switch button) [UNIT] to switch weighing unit: g/oz/gn/ct/t/ozt [UNIT] key for 4 seconds, all the units light up and unit OZ blink, then PCS to hold or close this unit, UNIT to select next unit, unit g can not be closed. [UNIT] for 4 seconds to return normal weighing state. 3. TARE:Touch [TARE] to for Re-zero. 4. PCS(Counting function) Select 25pcs of samples(or 50,75,100pcs of samples) At normal weighing state, put the samples on the scale, then PCS 4 seconds and the scale shows the weight of the samples, PCS to confirm, then LCD display PCS+ sample value. You can put more articles, the scale show "PCS XXX", which is quantity of articles. Color: As Shown Material: Stainless Steel Package Contents: 1 x Electronic scale 1 set x accessories 1 x English instruction manual 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.