Caution:Please charge the lamp under sunlight for 2 days after purchase ，this is to prevent battery goes low for daily regular lighting ，after full charge ，it will work normally !SpecificationBattary: 7V/100MALED Quantity: 19pcs * 2Material: ABCWorking Model: light sensor+PIRWork time: after charge fully，it can work 60-100 timesSensor Distance: 1-4MAuto-light at nightPacking List:1 x 38 LEDs Solar Lamps