Features:100% Brand New and High Quality.Solar panel: 0.26 W. 17% efficiency.Li-ion battery: 1.2 V 900 mhLED: 4 LEDNo batteries， no cables， & easy to installLED span life: 100000 HrsSolar charging time: 8 HrsAuto identify day or nightLi-ion battery span life: 500 circlesSolar panel span life: more than 5 years Installation:Turn the auto/off switch to on.Secure solar fixture to desired location using two mounting screws provided(pre-drill pilot holes to easily fasten screws).Remove the thin clear plastic film from solar panel.Allow at least 8 hours of sunlight to fully charge the battery. Package included:1 x Solar Wall Lamp2 x Expansion pillar-hinge2 x Screw1 x AA NI-MH rechargeable battery1x color box