Posted By: Guy Buchwitz
12 people found this review helpfulIn our experience the MS-4 is a significant improvement over previous collars from a water-resistance perspective, but the electronics cases for the ones we've bought have tended to separate and fall apart with normal use. We've found that a nylon strap tie looped lengthwise through the case's band slot works well to keep the case halves together. I understand that the case sections for the new MS-5 collars are secured together with screws, so we're going to order one of those.
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