Spark-U is a non-pyrotechnic spark‑effect generator intended for indoor or outdoor use. It delivers a controlled spark display up to 5 m high, powered by 400 W, using titanium alloy grains as the consumable. It supports DMX control and a wireless hand remote, and can synchronize up to six units. Dimensions are 230 × 195 × 300 mm; weight 9.5 kg. Typical shoot duration is 15–20 minutes per sequence.