Powerstate brushless motor provides more power, more run time, and longer life. Fully capable of sinking 2-1/2 In. (inch) nails in solid oak with zero ramp-up time. Redlink Plus electronic intelligence enables advanced communication between battery and tool, allowing for unmatched levels of performance, protection from overloading and overheating, and productivity. REDLITHIUM battery eliminates the mess and cost of gas cartridges. Additional features include tool-free depth of drive adjustment, LED (light emitting diode) light, dry-fire lock out, tool free jam release, nail quantity indicator, and non-marring nose pad. Includes (1) M18 REDLITHIUM 2.0 compact battery pack, (1) M18 & M12 multi-voltage charger, adjustable belt clip, contractor bag. No. 2743-21CT: Voltage: 18V, Gauge: 15 Ga., Battery Type: Lithium-Ion, Ampere Hour: 2.0 Ah, Magazine Angle: 34 Degree, Fastener Range: 1-1/4 In. to 2-1/2 In., Fastener Capacity: 110 Nails, Firing Mode: Contact or Sequential, Magazine Load: Bottom Load, Batteries Included: Ye, Charger Included: Yes, Case Included: Yes, Weight: 6.3 Lb., Dimensions: 11.9 In. L, Warranty: 5 Year, Pkg Qty: 1, Package Type: Box No. 2742-21CT: Voltage: 18V, Gauge: 16 Ga., Battery Type: Lithium-Ion, Ampere Hour: 2.0 Ah, Magazine Angle: 20 Degree, Fastener Range: 1-1/4 In. to 2-1/2 In., Fastener Capacity: 110 Nails, Firing Mode: Contact or Sequential, Magazine Load: Bottom Load, Batteries Included: Yes, Charger Included: Yes, Case Included: Yes, Weight: 6.3 Lb., Dimensions: 11.9 In. L, Warranty: 5 Year, Pkg Qty: 1, Package Type: Box No. 2741-21CT: Voltage: 18V, Gauge: 16 Ga., Battery Type: Lithium-Ion, Ampere Hour: 2.0 Ah, Magazine Angle: Straight, Fastener Range: 3/4 In. to 2-1/2 In., Fastener Capacity: 110 Nails, Firing Mode: Contact or Sequential, Magazine Load: Bottom Load, Batteries Included: Yes, Charger Included: Yes, Case Included: Yes, Weight: 6.3 Lb., Dimensions: 11.9 In. L, Warranty: 5 Year, Pkg Qty: 1, Package Type: Box