M60 : price $256
The energiser requires 220v mains supply. This energiser produces 8 joules which is sufficient for single wire distance of between 15 to 30 kilometers.
M40 : price $170
The energiser requires 220v mains supply. This energiser produces 3.5 joules which is sufficient for single wire distance of between 8 to 15 kilometers.
M25 : price $133
The energiser requires 220v mains supply. This energiser produces 2.5 joules which is sufficient for single wire distance of between 4 to 8 kilometers.
M10 : price $121
The energiser requires 220v mains supply. This energiser produces 1.5 joules which is sufficient for single wire distance of between 0.5 to 3 kilometers.