This is a self-propelled lawn mower from Makita, which has a collection box that can hold up to 70 litres. The maximum cutting width of 53 cm is suitable for medium-sized lawns.
From Tooled Up
Makita DLM533 Twin 18v LXT Cordless Brushless Lawnmower 530mm No Batteries No Charger
Powertool World
Makita DLM533Z Twin 18v LXT Brushless 36v Lawn Mower 530mm Body Only
ITS
Makita DLM533Z 36V (Twin 18V) LXT Brushless 53cm Lawnmower - Body