Power Supply:Rechargeable battery 6V/1.3Ah Display Type: LCD/LED Units: g, ct, oz, dwt, ozt, lb, gn, kg, t, gms, tar, tmr Overload: 150% of full capacity Keys: ON/OFF, UNIT, PCS, TARE Linearity: ±0.002g Platter: 130mm Power source: Rechargeable battery 6V/1.3Ah