Building 1kW water cooled LED lighting modules for high-speed video lighting. This video covers the initial prototype build and test, temperature and light measurements, and comparison to metal halide lighting. LEDs used are from Chanzon LED store: https://www.aliexpress.com/store/product/High-Power-LED-Chip-1W-3W-5W-10W-20W-30W-50W-100W-COB-LED-Beads-Natural/1913069_32611624367.html