Crust: the enclosure is made of the imported with original packaging AS high transparent resin The internal strcture is made of ABS resin Dimensions: 7 x 4.1 x 2.1cm Linotrons LED Illumination brightness: above 12,000mcd Batteries: low 1.2V/80mA Ni-MH environmental protection rechargeable storage batteries The smallest pattern of the solar product series Can be matched with all kinds of key rings Adopts 4V solar panel Maximum current is 30mA Charging under the sun for six hours can last for 2.5 to 3 hours Packing