Walkie-talkies on batteries

One of my best purchases and helpers in childcare up to 2 years of age 😁 Both radios work on batteries, no electricity connection is needed. They "cover" very large distances - I used them both for the child in the stroller when sleeping in the garden and in the house in the nursery. We also use them during travel - including when the child fell asleep in the car and we wanted to get out and see a sightseeing spot, the radio could respond up to a kilometer distance.

We bought new ones from Amazon: https://www.amazon.de/-/en/Babymoov-Expert-Care/dp/B08CC66VJ3