it's a MacBook Pro (13-inch, Early 2011) - macos Sierra v10.12.6
Model Name: MacBook Pro
Model Identifier: MacBookPro8,1
Processor Name: Intel Core i5
Processor Speed: 2,3 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 3 MB
Memory: 8 GB
Boot ROM Version: MBP81.004D.B00
SMC Version (system): 1.68f99
intel HD Graphics 3000:
Chipset Model: Intel HD Graphics 3000
Type: GPU
Bus: Built-In
VRAM (Dynamic, Max): 512 MB
Displays:
Color LCD:
Display Type: LCD
Resolution: 1280 x 800