Constructed entirely of easy to clean stainless steel, the PC-400 is a compact battery powered electronic scale. Extremely precise, the large LCD read-out displays weight in as fine as a 0.1 gram. Power is provided by either an internal rechargeable battery pack or the included AC adapter. The auto shut-off feature of this digital scale maximizes battery life. Send patient weight data from this scale to a PC using the RS-232 Cable and the Excelerator Medical Version Data Collection Software. MAXIMUM CAPACITY: 2 x 0.0002 lb (1000 x 0.1 g) ACCURACY: +/- 0.0002 lb (0.1 g) DIMENSIONS: Overall 8.75" L x 6.5" W x 2" H Platter 6.5" x 6.5" DISPLAYED UNITS: lb, kg, g, oz, or lb:oz CONTROLS: Zero, On/Off, and Units OPTIONS: RS-232 Cable POWER: 115V AC Adapter, 6' Cord, Rechargeable Battery, 10 hour life CONSTRUCTION: 304 Stainless Steel WARRANTY: Scale - One Year / Battery - 90 Days