Manufacturers description: ULTRA DOT SIGHT RED DOT 25 30MM ALUMINUM TUBE 4 MIN DOT BLACK, POSITIVE CLICK WINDAGE & ELEVATION ADJUSTMENTS, MATCHING RING MOUNTS, 3 VOLT LITHIUM BATTERY. This has been on my Contender for about two years, and other than a few range visits has never been in the field. Nice quality sight with the box and papers, and a new, yes new, battery. $95.00 delivered to the first 48. PayPal or money order. I have pics if you need them.