The DW-1000BZ has a high quality strain gauge load cell system makes it accurate in full capacity range. The Shell and internal hardware is made from stainless steel and High density ABS plastic housing for superior durability. Perfect repeatability and off-center accuracy. The scale also has a TARE FEATURE which allows you to reset it back to 0.00 after placing the crystal clear plastic cover on top which doubles as an expansion tray. Includes FREE LIFETIME WARRANTY. It is EXTREMELY DURABLE ACCURATE due to it's high quality load cell and ABS plastic frame. The platform is made out of stainless steel and is accurate even if the object is off-center. This listing is for a GENUINE DigiWeigh DW-1000BZ Pocket Scale Capacity: 1000g / 35.27oz / 15432gn / 5000ct Accuracy: 0.1 Gram / 0.005 Ounce / 1 Grain / 0.05 Carat Dimensions: 3.75"(L)x 3.75"(W)x 0.81"(H) Power Supply: 2 AAA Batteries Included