Our NORDIC-DESIGN table lamp models BOT09 emit depending on the model either warm or cold white light with a light intensity of about 15 Lumen. The lamp is battery driven and can be operated with standard AA Alkaline or rechargeable batteries. The illumination time per battery set is 100-120 hours. With periods of 6 hours per day, the lamp give light for 17-20 days, without having to replace the batteries. On/Off-switching of the lamp is done by turning the bottom rod against the stand. Designed and made in Germany.