The Tree LCT-33 digital bench scale parts counting electronic balance. With a 33 lb capacity and 0.001 pound resolution the LCT-33 is versatile, reliable and sturdy. Weighs in kilograms, pounds & ounces This scale features parts counting function, tare and has AC power option. It can be used in many applications including but not limited to warehouse, laboratory, kitchen, office, workshop, classroom, trade shows and pawnshops. Features and Specifications: Capacity: 33 lb x 0.001 lb Large Heavy Gauge Stainless Steel Square Pan Unit Switching KG or LB Platform size: 227mm x 337mm Power source: Rechargeable Lithium Ion battery or AC/DC Adapter Auto Zero Tracking Low Battery Indicator Large LCD Stability Indication Auto Calibration - (Calibration Weight not included) Auto Backlight (Selectable) Variable KG or LB Reference Weight Calibration Software 24 Bit AD Processor Highest Quality Sensor Die Cast Aluminium Sub-Support, Bottom Sensor Support & Steel Thread Footing Operating Temp. 0-40c (32-104f) *Does NOT have RS232 connectivity option.