While others may try to copy it, our M400 by GemOro is the the world's smallest micro sized pocket scale available with a full 400g capacity, 0.1g precision accuracy and 5 year limited replacement warranty. The amazing M400 is about half the size of a credit card and offers the ultimate in portability. Featuring a bright blue backlit display, digital calibration and stainless steel weighing platform. Its versatile, protective snap-on cover when used as a convenient tray doubles the size of the weighing platform.