Driftglobe

This small sphere of thick glass weighs 0.5kg. If you are within 12m of it, you can speak its command word and cause it to emanate the light or daylight spell. Once used, the daylight effect can't be used again until the next dawn. You can speak another command word as an action to make the illuminated globe rise into the air and float no more than 1m off the ground. The globe hovers in this way until you or another creature grasps it. If you move more than 12m from the hovering globe, it follows you until it is within 12m of you. It takes the shortest route to do so. If prevented from moving, the globe sinks gently to the ground and becomes inactive, and its light winks out.