The product in the image is the Kzubr KBLECS-42V-16 brushless lithium electric chain saw. Its specifications and features include:
Model: KBLECS-42V-16
Motor Type: Brushless motor, which provides higher efficiency, less vibration, and longer life
Power Source: Cordless, powered by two lithium-ion batteries (typically 4.0Ah each)
Rated Voltage: 36V (often marketed as 42V)
Guide Bar Length: 16 inches
No-load Speed: 720m/min
Features:
Automatic oiling system to keep the chain lubricated
Tool-less chain tension adjustment
Lightweight body for easy operation
Protective widened baffle to prevent sawdust from splashing
Inclusions (typical package): The saw unit, guide bar, chain, two batteries, a charger, an oil bottle, and an instruction manual