Follow the video guide here.

Press and hold down on the top button, and the brightness will reduce slowly over 4 seconds. Press and hold again to increase the brightness.

The bottom piece of the lamp is removable to allow for future serviceability. Grip the silicone foot and rotate clockwise to screw it back into place tightly.

After a long while of use, lithium-ion batteries eventually lose capacity slowly over time. To replace the batteries, unscrew the top cap of the lamp, then unscrew the 4 visible screws. Remove the battery cover and remove the old batteries, replacing with new ones. The batteries required are called “lithium-ion 18650” and can be purchased on Amazon or in most battery shops.