Voltage: 20V
Fastener length range: 19 - 40 mm(  3/4 ''-1-5/8'')
Applications: 
Fastening cables and conduits to concrete C60 and steel 6mm (max. nail length 27mm)
Brushless motor
Include:
1000 Pcs nails (27mm)
1pcs air nozzle
1pcs pin 
2 Pcs 20V 4.0AH battery(TFBLI20021)
1 Pcs charger(TFCLI20411)
Charge volts: 220-240V~50/60Hz 
Packed by carrying case