This is a used 1.0 HP York L model wall-mounted air conditioner, specifically model number AC3333. It is a non-inverter type AC unit and is being offered for sale within the Klang Valley region. Given it's used, the condition will vary and should be inspected prior to purchase. Being a 1.0 HP unit, it's suitable for smaller rooms. As a non-inverter model, it operates at a fixed speed and may be less energy-efficient compared to inverter models.