This is a Galaxy Tab E model SM-T560NU. I've reset it to factory defaults and it's ready to be used. Note that it charges via an USB-Micro (the one that looks like the letter D).
Full details here: https://www.samsung.com/us/business/support/owners/product/galaxy-tab-e-9-6-wi-fi/
Display: 9.6-inch WXGA TFT (1280 × 800 pixels)
Processor: 1.2 GHz Quad-Core
RAM: 1.5GB
Storage: 16GB internal storage
Cameras: 5MP rear camera, 2MP front camera
Battery: 5000 mAh
Connectivity: Wi-Fi only (no cellular), Bluetooth 4.0, and Micro-USB