yieryi 6 in 1 Multi-function Digital Scales Electronic 100g/200g/300g/500g/1000g weight balance With Palm Calculator Design3 minute auto power off saves battery life Low battery alarm Cover and pouch protect scales when not in use Display: 5 digit blue backlit LCD Auto power off: 3 minutes Operating temperature: 10 - 30C Functions: clock temperature (Fahrenheit, Celsius) display function, calculator function, weighing function, counting function, the pricing function. Function keys: 1, (MODE / ON) to mode conversion, the normal state of the clock temperature mode, press will weigh - Calculator - Room temperature conversion cycle of the clock 2, (UNIT / MUTE) When weighing unit conversion (unit), a display screen for setting the buzzer sound switch (mute) at time temperature. 3. (TARE / SET) In weighing the screen used to force back to zero (tare), the temperature at the time the display is used to set the time value (set). 4. (PCS / =) when weighing mode pcs as sample confirmed the counting function, when the calculator function for the equal sign 5. (PRICE / _) PRICE Enter unit price for the weighing of the enter key 6 (+, -, *, /). Calculator Operators 7. (0-9) pricing calculator, when the input key figures power suppler:AAA*2 not include 6 in 1 mutifunction Unit Selection :G.0Z.OZT.DWT.CT,GN Screen dimensions: 133x82x16.8mm Weighing platform size: 69.5 x 64.5mm Powered by: 2 X AAA batteries ( Not included ) Packet content: 100% Brand New 1 x Digital Pocket Scale 1 x Robust Plastic Case Cover 1* english user manual