... Source: Using high-power 3W/1W LED, factory default CREE LED (optional, lumens, K2, brands such as LED), has a long life, high luminous ... lens, beam angle of 8 °/15 °/25 °/ 50 °optional. LED static constant current drive mode, constant current, high precision, nonflicker ... habit adjustment method. Multi-function strobe effects and color rainbow LED digital tube display menu, Lamps with a power factor ...