Hi, I brought the Ring Siren, it’s has the standard 3 x D battery’s in the unit, I have also hardwired it. Does this mean that I will never have to change out the battery’s or do they still serve a purpose?
Hi, I brought the Ring Siren, it’s has the standard 3 x D battery’s in the unit, I have also hardwired it. Does this mean that I will never have to change out the battery’s or do they still serve a purpose?