Master Lock 82LJ Laminated Brass Padlock Keying Options:Keyed Different Power Requirements: 6AA alkaline batteries

Power Requirements: 6AA alkaline batteries (included) with optional hardwire input for 9V DC external power

while the automatic locking function offers additional convenience

Performs effectively in extreme conditions (-50°F to +300°F))

Master Lock 82LJ Laminated Brass Padlock Features: 1-3/4" wide laminated brass body

Master Lock 82LJ Laminated Brass Padlock Keying Options:Keyed Different Power Requirements: 6AA alkaline batteriesThe Master Lock 82LJ Laminated Brass Padlock has a 1 3 4in wide laminated brass body that provides superior resistance to corrosion, along with a 2 1 2in tall, 5 16in diameter hardened steel shackle that is chrome plated for exceptional cut and weather resistance. It also features dual ball bearing locking for maximum pry resistance, making it an excellent choice for industrial use. Master Lock 82LJ Laminated Brass Padlock Features: 1 3 4" wide