Note: US Version includes: 1 hardware unit + 1.5m 25-pin ILDA signal cable + network cable + software: Quickshow China Version: DLFB4 Laser Box (Made in China). Compatible with Quickshow, Beyond 5.1, Beyond 5.5 (Basic, Advanced, and Ultimate versions are free to use). Note: The China and US versions are not interchangeable; only one can be installed. Product Features: 105°C Aicpose Standard Compliance: Compliant with Aicpose standards, ensuring safe operation at 105°C, allowing the laser controller to work reliably in high-temperature environments. ILDA Professional Laser Lights: ILDA professional laser lights provide precise control and stunning visual effects for your events. Battery-Free and Bulb-Free: Environmentally friendly design; DMX stage lights require no batteries or bulbs, reducing waste. Integrated Installation: The FB4 laser controller uses an integrated installation method for easy installation. Professional Stage and DJ Applications: The DMX FB4 laser controller is ideal for professional DJs and stage performances, ensuring stunning lighting effects. The DL-FB4 laser box includes a free DL-Beyds 5.1 license activation package and is compatible with FB4.