The pro-emit DIY-M-KIT 2 Series short 225W is a modular LED grow-light kit built around three 75 W 3‑channel LPG boards on 39 cm heatsinks. The spectrum combines Samsung LM301B white diodes (5000K and 3000K) with Cree XP‑G3 Deep Red (660 nm) and XP‑E2 Far Red (730 nm). Each channel is independently dimmable 0–100% via onboard potentiometers and is compatible with 0–10 V control (suncontrol). The 225 W version is rated at 630 μmol/s PPF with a system efficacy of 2.8 μmol/J and is recommended for cultivation areas up to 100×50 cm. Passive cooling enables silent operation. The assembled fixture measures 78 × 42 × 8.3 cm and weighs 9.06 kg. Stated lifetime is 50,000 hours.