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.

Available for some time now is the SZ-1 HUD Sight from Holy Warrior which Jdrek reviews. This boasts 12 reticle displays, providing a wealth of information including elevation angles, compass readings, and thermometers. Its automatic angle calculation function ensures accurate shot placement, and it's designed to withstand extreme temperatures from -40 to 140 degrees Fahrenheit. It features distance measurement, instruction manual, a Picatinny QD Lever, and a CR123A battery.