Designed by Franziska Schmidt and Lisa Müller, the 24HRS LIGHT lamp does not have a power switch and instead provides electricity through its hook and has various voltage potentials.
The mobile LED lamp has a minimalist design and can function as either a table or desk lamp or as a hanging lamp. The lamp doesn’t require cables or buttons and offers a simplified lighting system without sacrificing functionality. The power comes from the hook or rack, which serves as its charging station. The lamp has a battery inside it that is charged when the lamp is connected to the hook.
Source : Interactive Objects