Built-in high precision chip High energy-saving NiMH rechargeable battery (built-in charging) standby 400 hours Key functions: turn on/switch off , unit switch, tare, zero, print Backlight automatically turns off, settable Automatic shutdown, standby time can be set 6.5-bit 8MM large LCD display, character height 25MM, white backlight (LED) KG/Ib  Unit switching: KG/Ib Printing and time setting Accuracy±2Lbs