The Smart M115-D is a very powerful energizer with 15Joule stored energy, this makes the device suitable for multiwire fences up to 40 km. The Smart M115-D contains the Elephant Smart technology with "Time delay". Smart M115-D is also powerful enough to burn vegetation and offers thanks to the built-in Smart technology, maximum force at the end of the fence. Smart M115-E is equipped with a easy to read digital display showing the voltage and the device mode (in Joules).