What magical and useful things have you used?

Nightlight is an artifact that can greatly increase the happiness of life. Built-in 3 LED lamp beads, adjustable brightness, soft and warm light suitable for fried chicken, suitable for night use. If fully charged, the bright state can be lit for about 5 hours, and the weak state can reach 10 hour. This model also supports the choice of 30-minute or 60-minute timer, so it is better to use it reasonably.