In the video, a person is holding a device with a needle in a leaf. The device has a screen that displays the number 57.3. The person is using the device to measure the moisture content of the leaf. The device appears to be a moisture meter, which is used to measure the amount of water in the leaf. The person is holding the device with their right hand and using their left hand to hold the leaf steady. The background is blurred, but it appears to be a garden or a field with other plants.