Petsafe Dt Micro Idt PlusDT Micro IDT Plus This long range dog training colour is a top seller. Boosting H2O ideal for working dogs and hunting dogs. Fully waterproof and rechargeable, the H2O Plus was designed for professional use in the harshest environments. Tryed and tested by our outback Australians thi unit has been tested out mustering and hunting and it stands out as a rugged and reliable performer. 1600 metre range, reliable in all terrains Suits all temperaments and