Refreshed with a bold look, the next generation of SIG SAUER ELECTRO-OPTICS best-selling ROMEO5 series has arrived. The ROMEO5 GEN II provides a durable 1x aiming solution for civilians and armed professionals alike, with a crisp 2 MOA red or green dot emitter powered by a CR2032 battery that can be quickly replaced. Couple with SIG SAUER'S motion-activated MOTAC technology, the ROMEO5 GEN II boasts a 40,000 hour runtime under standard usage. Featuring top mount ambidextrous controls that offer 10 daylight and 2 night vision settings, finding the optimal setting for your environment is quick and intuitive. Capable of withstanding some of the harshest conditions, the ROMEO5 GEN II's IPX7 rating keeps your optic waterproof and fog-proof while the interchangeable I-BEAM Mount maximizes situational awareness. Ruggedized Industrial Design I-BEAM Mount for maximizing situational awareness 12 Settings (10 Day + 2 NV) 40,000 hrs Runtime with CR2032 Battery and MOTAC Motion Activated Top Mount Illumination Controls for Ambidextrous Operation Dependable IPX7 Waterproof and Fog-Proof Performance Parallax-Free Optical Design