Includes

• Jennings CJ300 Scale with Battery and bumpers for car.
• AC Adapter
• Aluminum Scale Case
• 5 Certified OZ Test Weight
• Certified 200g Scale Calibration weight

Here is a fully loaded combination deal with not only a great scale, but with AC adapter, aluminum scale carry case, 200g calibration weignt, and a 5 oz test weight.
The Jennings CJ-300 Compact Digital Scale is a lightweight, portable scale perfectly suited for use in industrial, jewelry and home use applications.

Applications can include weighing pinewood derby cars, quality control, formulation, soil sampling, jewelry, and dietary weighing.
Pinewood Derby Racers will find the included self adhesive rubber bumper strips just the thing to keep their cars from rolling off. The scale weighs in ounces, grams, or pennyweight,
Key Benefits:

• The Best-Value Mid-Sized Scale on the Market
• Reads in Grams, Ounces and Pennyweight
• Tare and Zero Function
• Tactile Rubber Keypad
• Extra-Large LCD Display
• Round, Stainless-Steel Platform
• Clear plastic cover included to protect the scale load cell when the scale is not in use
• Runs on included Lithium Batteries or optional AC Adaptor
• Advanced Parts-Counting Feature
• 20 Year Warranty.

Specifications

• 200g certified calibration weight included
• Self adhesive Rubber bumper Strips included for Pinewood Derby Cars
• Capacity: 200g, 10.6oz, 193 dwt
• Readability: 0.1g, 0.005oz, 0.05dwt
• Weighing units: gram, ounce, pennyweight
• Tare range: To capacity by subtraction
• Power Requirements: lithium batteries (Included), AC Adapter optional.
• Calibration: Digital calibration from keypad
• Platform size (in/cm): 4.75 / 12.0
• Dimensions WxHxD (in): 8 X 5.5 X 1.6
• Warranty (From Jennings scale company - 20 years)

Manual: http://static.zoovy.com/merchant/scalesusa/Jscale_CJ-300-600_digital_scale_Manual.pdf