1. Large LCD blue screen. 2. Standard RS232 interface, be connected with computer. 3. Multiple weighing units: G, Ct, Oz, Dwt Features ... , large LCD blue screen.2. Standard RS232 interface, it can be connected with computer.3. Multiple weighing units: G, Ct, Oz, Dwt. ... alarm, the limitation of weight scope could be adjustable.5. Protected function to avoid overload and strike.6. Automatic calibration ...