I have no complaints on my SD-2000's. I have had 1 since the first month they became available (2 1/2 years ago) and 1 that is about 1 year old.
things I love:
battery life
ease of use
custom programming
add/change collars programmed to transmitter with ease.
price
Roger
things I love:
battery life
ease of use
custom programming
add/change collars programmed to transmitter with ease.
price
Roger