The exclusive solar cover can be recharged and used. Solar charging can be fully in 6-8 hours, and it can be used continuously for about 8-10 hours when fully . The battery life can be maintained for about 500 cycles of charging. Before use, you need to turn on the switch inside the cover and push the button to the on direction. The solar lamp is designed to automatically sense light. The lamp beads automatically light up at night and turn off during the day. If you want to test whether the solar lamp is working properly during the day, you can cover the cover with your hand, and the lamp beads will light up by themselves. In addition, we use 12 LED patch lamp beads, and the flame effect at night is very beautiful. When charging under solar energy, remember to turn the button to the ON direction, otherwise the solar lamp will be turned off and cannot be ! Instructions for use: Can be used in courtyards, aisles, gardens, balconies, outdoors, and anywhere there is sunshine. Material: Tinplate and plastic colour: As shown Package Contents: 4 x mason jar lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.