Toronto Airsoft checks the Holy Warrior SZ-1 if it is actually useful for airsoft use. The Holy Warrior SZ-1 HUD sight is a waterproof sight built from CNC aluminum and finished in black oxidation or FDE. Its OLED display offers adjustable brightness and a 3 MOA sight for precise aiming. Designed for durability, it features an IP67 waterproof rating and a power-saving mode. Included with the sight are clear and yellow lens protectors, a rubber protector lens mount, and a user manual.