Product information: Color black Material: high quality, environmentally friendly plastic Several weight units: g, ct, dwt, gn Automatic switch-off time: 1 minute Operating ambient temperature: 0 ; C-40 C (32 F-104 F) Power supply: 1.5 V x 2 (AAA dry cell battery) Low voltage indicator: LO_ Overload indicator: O_Ld Net weight: 167 g (without battery), Size: 11.5 * 6.5 * 1.7 cm Packing list: 1 * weight, 1 * tweezers, 1 * small tray, 1 * milligram scale EXACT SHMUCKWALAGE & ndash; This digital milligram scale has a measuring range up to 50g to 0.001g. MEASUREMENTS - These digital milligram scales support all necessary units: g, oz, ozt, dwt, ct, gn. Set the scales to the required measurement by pressing the mode button. EASY PORTABLE & ndash; These small digital scales are easy to carry. And the weighing bowl is well protected by the transparent ceiling.