JZ Scale – Incredible Value & Great Design. • Blue backlight LCD display • Auto-off function • Cover doubles a a tray • Easy-to-use with only 2 keys 230g x 0.1g g, oz, ozt, dwt GN = Grains DWT = Pennyweight KG = Kilograms PCS= Pieces LBS = Pounds MG = Milligrams CT = Carats 1/8OZ – 1/4OZ = Fraction of Ounce