Product SKU:LHEXBQP7TN1R3X2 Wattage:3.6W Battery Capacity:3.7V,2200 mAh Li-Ion Cell Color/finish:Red Warranty:6 Months It does not contain mercury. Also it consumes very low energy and produce low running temperature. Can be recharged easily with built in plug directly mountable on plug socket. Sturdy ABS housing Aesthetically designed Rechargeable LED Lantern with smooth dimming regulator Lumina Neo Solar Rechargeable Lantern