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Yes — the unit in your photo is a Deye 6 kVA / 6 kW inverter. The manual appears to be for the SUN-6K series, and the label visible on the manual looks like an LP1 low-voltage model. Deye has several 6 kW variants, so the exact suffix (for example, SUN-6K-SG01LP1-EU or an off-grid SUN-6K-OG variant) needs the rating sticker on the side of the inverter to confirm.
From the photo:
Brand: Deye
Capacity: 6 kVA / approximately 6 kW
Type appears to be single-phase, low-voltage battery inverter
It can be configured for solar + battery + grid/generator, depending on the exact model.
The exact model is important because the PV voltage, battery voltage/current, grid voltage and wiring differ between versions. Deye's official manuals list multiple 6kva