M-25 powers up to 2km 0.26 joules* * denotes stored joules Safety certified and approved to Australian and New Zealand Standards OK operation pulse light flashes with each fence pulse Quality Australian product with 2 years warranty Lightning spark gap fitted - 6 months warranty against lightning strikes Tough weatherproof O-ring sealed enclosure Surface mount electronics - for ultimate reliability Large terminal knobs and modular design for fast services Vacuum sealed transformer