The Ohaus YJ Series Carat and Gold Scales are designed to combine portable weighing with an economical price. These scales offer a bright, backlit blue LCD display, battery operation and easy four-button operation with a flip-top draftshield for improved performance. Weighing modes include ct, g, gn, oz and comes with a 1 year warranty. Scale measures 3 3/4" x 5 1/4" x 2". This model YJ501 has a maximum capacity of 500g x .1g.