In excellent pre-owned condition. Batter is included. The Series 2 Pro is very simple to use. There are two buttons on the unit, a Power/Acquire button and a Mode button. Press the Power button once to acquire a target, and you’re ready to go. The unit will automatically turn off after 10 seconds of non-use. There is an eyepiece to dial in the focus on the display. There are three modes in the Series 2 Pro. Mode 1 is Continuous Scan Mode. In this mode you hold down the Acquire button and distances appear as you scan across your target line. Mode 2 is the Golf Mode. Press once and hold to activate scan and lock onto target. When the target is acquired, the unit will vibrate. Yardage is displayed at top of view field. Slope yardage is displayed at the bottom of the view field.