The ROMEO2 is built for use in adverse conditions. A 3 MOA or 6 MOA red dot with 15 brightness settings ensures rapid target engagement. The sight features a high-efficiency point source LED emitter and molded aspheric glass lens utilizing a high-performance red notch reflector coating for excellent brightness and light transmittance with zero distortion. The 7075 aluminum housing and ruggedized steel shrouds protect the ROMEO2 from extreme impacts and drops. The ROMEO2 maintains 25000 hours of battery life comes with MOTAC to automatically power the optic on and off and is compatible with all SIG pistols that have the newer PRO-CUT slide. – ROMEO2 FEATURES INCLUDE – MOLDED GLASS ASPHERIC LENS WITH HIGH PERFORMANCE COATINGS FOR SUPERIOR LIGHT TRANSMITTANCE AND ZERO DISTORTION – 2 STEEL SHROUDS INCLUDED FOR 3 DIFFERENT OPTIC CONFIGURATIONS INCLUDING FULLY ENCLOSED AND SEALED WITH A POLYCARBONATE REAR WINDOW – SHARES THE ROMEO1PRO FOOTPRINT AND CAN BE DIRECT MOUNTED TO ANY SIG PISTOL WITH THE PRO SLIDE CUT – SPRING-LOADED SIDE BATTERY TRAY RELEASED BY A PUSH BUTTON THAT CAN BE ACTIVATED WITHOUT TOOLS – MOTAC (MOTION ACTIVATED ILLUMINATION SYSTEM) THAT POWERS UP WHEN IT SENSES MOTION AND POWERS DOWN WHEN IT DOES NOT – MAGNETAC (MAGNETIC ACTIVATION) THAT AUTOMATICALLY TURNS THE OPTIC OFF WHEN HOLSTERED IN A COMPATIBLE HOLSTER AND INSTANTLY TURNS THE OPTIC ON WHEN DRAWN FROM THE HOLSTER – D.A.R.C. (DARK ADAPTIVE RETICLES & COATINGS) TECHNOLOGY PROVIDES IDEAL RETICLE BRIGHTNESS AND TARGET CLARITY WHILE USING GEN3+ NIGHT VISION DEVICE – DESIGNED DEVELOPED TESTED AND ASSEMBLED IN THE U.S.A.