Ryobi P325 One+ 18V Lithium Ion Battery Powered Cordless 16 Gauge Finish Nailer (Battery Not Included, Power Tool Only) AIR PRESSURE ADJUSTMENT: A switch on the back of the unit allows you to increase the depth of your nail driving LED LIGHTING at the head allows you to see the job while youre working in dim conditions. It can be activated by a separate trigger, too, which keeps you safe from accidentally firing off nails when you dont want to LOW NAIL INDICATOR: Help prevent against dry firing by knowing that you need to replace the clip before you damage your woods TOOL-FREE ADJUSTMENTS: Knobs can adjust your depth, and you can flip out the front end to clear nail jams ONE+ COMPATIBLE: This tool is part of the One+ family, which means you can use this with Ryobis 18V batteries, including the P100, P102, P103, P104, P105, P107, and P108