Q. how to replace the battery
A. Hi John, thank you for your question. This should just be unscrewed at the back, split the unit open and the battery can then be removed and replaced. It takes a LR54 battery like 57-6906.
Q. how to replace the battery
A. Hi John, thank you for your question. This should just be unscrewed at the back, split the unit open and the battery can then be removed and replaced. It takes a LR54 battery like 57-6906.