The item in the image is a Santwell SK210 digital weighing indicator.
It features a 6-digit display available in either red LED or backlight LCD options.
The unit operates on 220V AC power and includes an inbuilt rechargeable battery for portability.
It is designed for use with electronic platform scales and includes an RS232 interface.
Key functional buttons include Tare, Zero, Hold, and Total for weight management.