Yawn. It's basically more efficient, so will put less load on your battery but, annoyingly, if you're upgrading from a 329 to a 329S you'll need to buy a new hardwire kit to capitalise on this new ...

It's basically more efficient, so will put less load on your battery but, annoyingly, if you're upgrading from a 329 to a 329S you'll need to buy a new hardwire kit to capitalise ... There's even the ...