The scale also has a TARE FEATURE which allows you to reset it back to 0.00. 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. The DW1000NBS 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 DW-BS Pocket Scale is highly accurate no matter where you place the item on the platform, which is made of stainless steel for easy cleaning. The exterior of the scale is made of very durable ABS plastic. This scale also features a TARE button which easily allows you to reset it back to 0.00 after placing an object on top, such as a bowl or the clear plastic cover which doubles as an expansion tray. The dimensions are 3.5"x3.5"x0.75". The scale uses 2 AAA batteries which are included for free! Removable reloading tray is included with the scale for weighing powder and other weight sensitive items! The tray has an easy to pour side for easy filling and emptying! Removable easy pour tray is included with the scale for weighing powder and other weight sensitive items! Capacity: 1000 g g/oz/dwt/ozt/ct/gn Accuracy: 0.1 Gram / 0.005 Ounce / 2 Grain / 0.1 Penny Weight for weighing and testing collectible merchandise like gold and silver Perfect for Weighing Jewelry! Perfect repeatability and off-center accuracy