DEWALT DCE400D2 20V MAX XR Brushless PEX Expander Tool Kit 1 Inch Type A Tubing Fastest Expansion Automatic Rotating Head 2.0Ah Batteries Charger Box Sander Kits 0 Ah Lithium Ion Battery Auxiliary 0 Ah Lithium Ion Battery Auxiliary Power Supply 4 D Cell Alkaline Batteries (with BA1 Adapter) Self Leveling Range + 5° Electronic Self Leveling Wireless Connectivity Bluetooth to Bosch Leveling Remote App Pro Tip: Perform an on site uCAL routine directly through the Bosch Leveling Remote App before starting critical concrete slab pours to verify calibration accuracy without removing the unit from your tripod setup Outfitted with complete backward and forward compatibility across the entire lineup of Bosch 12V Max cordless tools (1) PEX Expander Grease (1) DCE400 20V MAX* XR 1 in