A: Hi Rick, The reason you are not seeing the product instructions for the NiteLife is that this product has been discontinued. Here is a link to a video with instruction on the same product, just marketed as a pet safety necklace. https://youtu.be/uE7nYNf1Fy0. If you have further questions please contact customer service at firstname.lastname@example.org or 1-800-678-6483, Mon-Fri, 8 AM – 5 PM MST.
A: The replacement batteries cost $ 3.97 and you need 3. You can buy a new necklace for less than the cost of the batteries
A: Yes, this product uses replaceable batteries.