Sun preferable, but not essential The 100 lumen dimmable panel can be recharged from the integrated solar panel, with its handy sundial, or from an external power source via the micro-USB input. Dim the lights Easily set the mood of your tent with ambient lighting, or place a few around your base camp at their lowest level to use as key area markers.  Outdoor ready With an IPX4 water rating and durable plastic housing, it can handle life outside and won\'t pop or deflate like some other solar lights. Full Colour Mode Set it to red night vision when you don\'t want to disturb others, but when everyone\'s awake and in the mood for a party you have a wide variety of colours available. All positions covered Use your kickstand during the day to align your panel for faster charging and use it at night to hang, stand, or angle your lantern for functional lighting Light Panel With 3 Modes lets you choose from white, full colour, or an all colour cycle in Party Mode Hanging Clip attaches to tent poles or other closed loops Power Button turns the light on/off and cycle through each mode Micro USB Charge In lets you give it a quick charge, great for if there\'s no sun availableSolar Panel 0.45 W can charge the SunLight fully in 7 hoursAnalogue Sundial ensures you\'re getting max charge at all hours of the dayKickstand aligns your panel for faster charging and angle your light just right LUMENS: 100 Lm LIGHTING MODES: White, Full Colour, Party Mode BURN TIME (HOURS): 50 LO / 6 PARTY / 3 HI (+4 Hours In Reserve Mode) WEIGHT: 3.4 oz (95 g) CHARGE UP TIME SOLAR: 7 Hours CHARGE UP TIME USB: 2 Hours INPUTS: Micro USB Charge In BATTERY: 2.8 Wh (750 mAh) li-ion DIMMABLE: Yes (in White mode) WATER RESISTANCE: IPX4 DIMENSIONS: 3.35 x 3.39 x 0.91 in (85 x 86 x 23 mm)