As a senior who is not intuitively familiar with modern technology, I tend to follow instructions literally and the instructions consist entirely of "push". RED button to select bright light ". , low light β situational SOS mode.β Nothing else, although it appears the batteries have a shield that needs to be removed to allow them to make contact. If so, I don't see any obvious way to access them without the warranty. As I didn't have a support phone number, I filled out the support request form provided and emailed it, but it was noted that it took at least two days would be before I replied an email stating that when the removable cover was in fact removable without me breaking and doing so the clear cover which I found adequate was removed. After removing the piece of plastic sheeting that was keeping the batteries from contact the lights worked fine and I recommend editing though for the elderly like me who don't care the instructions are intuitive and actually read and followed.
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