The below two links are both products you need for one system with two collars, One medium large and One small.
This will be for a wired system to suit a site up to 1.2 acres in size
If you would like I can create the order for you if you wish to go for the two collar system, one medium large and one small collar
All you need to do is forward on your full address and postcode and I'll create it on the website here and send you a link should you wish to pay
We have all these products available in our Galway Warehouse. Ready for next day delivery by on post