Want ambience on the balcony without calling an electrician? Solar, wireless lighting solves it with no wires and no electricity bill.
There's no power point on the balcony/garden, and running wires needs an electrician, wall holes and real cost.
Solar lights charge from the sun by day and turn on automatically at night — you just clip or stake them in.
Battery capacity that lasts a full night, a water rating (IP65+), and an automatic dusk sensor. Note the runtime hours the maker states.
Place the solar panel where it gets direct sun — that determines how many hours of light you get.