Sig Sauer ROMEO 5 Gen II, Red Dot, 20mm Objective, 2 MOA Dot, Matte Finish, Flat Dark Earth, Includes Absolute Co Witness Mount SOR5111 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.