This might make us think about the energy we’re consuming without realizing it.
Turned on by a coin-operated switch, the lamp is set to predetermined time by an internal mechanism.
More info (I don’t think it’s available yet)
This might make us think about the energy we’re consuming without realizing it.
Turned on by a coin-operated switch, the lamp is set to predetermined time by an internal mechanism.
More info (I don’t think it’s available yet)
This is cents-less. When you don’t need light anymore, the lamp will stay on anyway, continuing to needlessly use energy, until the time has run out.