This is a brand new precision pocket scale manufactured by us balance. It features a compact design that is light versatile, and easily fits in your pocket. It measures 4 1/4" by 3" and an ultra thin 3/4" thick. The scale weighs less than 6 ounces despite being housed in a tough, hard plastic outer case. Included in the box with the scale are 2 AAA batteries, user's guide and 5 year warranty certificate that illustrates the high quality craftsmanship. 5 Year manufacturer warranty high quality construction automatic shut-off feature ensures long battery life six measuring units: 1000 grams x 0.1g 35.20 Ounces x 0.005oz32.0 Troy ounces x 0.005ozt643.10 Pennyweight x 0.05dwt5000 Carats x 0.5ct15000 Grains x 2.0 grn Large 4" x 2 3/4" weighing tray easy 4 button operation power button counting / calibration tare mode large, easy to read cool blue backlit LCD display! comes with 2 removable trays pcs function for counting small parts this precision instrument includes professional features normally found only on larger, much more expensive scales free batteries are included.-unlike Many pocket scales, you can replace this scale's batteries yourself.