Battery: 1 x CR2032 See on Opticsplanet - $153.46 Check Best Price Pros Easy to use. Extra-long battery life. Low glare under all conditions. Versatile, easy mounting. Adaptable to many weapons. Cons Nothing to report. 4 Hawke Vantage IR Riflescope 3-9×40, Rimfire .22 LR HV (Etc...