Easy Measure Digital Kitchen Scale with Food Tray has a sensor system to provide instant & accurate results Scale comes with 3 main functions: -M- fuction is to change the unit: g/ct/dwt/ozt/oz/gn/ml/tl/lb; - PCS- function allows you to count the number of pieces; -T- button provides net weight including minus the weight of the tray. Scale comes with two plastic trays and one plastic cover. The scale is constructed of stainless steel and ABS plastic frame. Powered by 2AAA batteries, included.