A “6×6 Star Curtain Light” means the set has 6 large star motifs + 6 small star motifs — total 12 star shapes — arranged in a curtain-style hanging light string. “With different flashing modes” indicates multiple lighting patterns (e.g., steady, twinkle, chase, fade). When described as “pixel”, it typically means the LEDs are individually addressable or multi-colour “pixel LEDs” rather than simple single-colour static ones.
When selecting such a star curtain light, especially if you want pixel-type features, check for: