Macbook has lock on firmware installation, can be seen in the pictures. Buy only for spares or repairs.

Processor: Intel Core i5 5th Gen.
Screen Size: 13.3 in
Graphics Processing Type: Integrated/On-Board Graphics
RAM Size: 8 GB
MPN: MQD32LL/A
SSD Capacity: 128 GB
Most Suitable For: Workstation, Parts, Casual Computing, Graphic Design, Gaming
GPU: Intel HD Graphics 6000
Processor Speed: 1.80 GHz
Colour: Silver
Brand: Apple
Series: MacBook Air
Type: Laptop
Maximum Resolution: 1440 x 900
Model: MacBook Air
Connectivity: DisplayPort, USB 1.0/1.1, SD Card Slot, Mini DisplayPort, HDMI, USB 3.0, USB 2.0, Gigabit Ethernet
Operating System: macOS 12.0, Monterey
Features: Bluetooth, Built-in Webcam, Widescreen Display, Wi-Fi, 10/100 LAN Card, Multi-Touch Trackpad, Backlit Keyboard, Force Touch Trackpad, 3D Camera, Built-in Microphone
Storage Type: SSD (Solid State Drive)