Olivia Table Lamp by Zafferano. This collection of table lamps has a protection rating of IP65 (fully assembled), and can be used in- doors or outdoors. The charging time is 6 hours and the lithium battery has a life of about 9 hours. Olivia allows adjustment of light intensity using a dimmer function, it memorises the dimmer steps and, consequently, every time it is switched on, the light intensity will correspond to that previously set. *The lamp is also equipped with a light colour temperature selection function, 2700K or 3000K.