Specification: Solar Panel: 2V 100mA Lumens: 10 lm Life Span : 30,000 hours Charging/Working time: 6-8 Hours / 8-12 Hours Built in Rechargeable Battery: AA, 1.2V ,600mAH NI-MH battery, 1pcs Switch: Power ON/OFF, Light MODE (Steady on, Flash) Length of String: 4 meter Length between Two Light: 0.9 foot (0.15 meter) Length from Solar panel to first stake: 6.56 foot (2 meter) Package Includes: 1 x 10 Led Solar Bulb Lights 1 x Solar Panel with Ground Stake 1 x User Manual Note: 1.In cloudy or rainy days, the battery cannot get sufficient power supply in daytime. It needs to be fully charged in a sunny day. 2.It is suggested the solar panel to be fully charged for 6h at the first use. 3.The light will light up automatically at dusk and may turn off automatically when ambient light is too strong(above 15lux). 4.Turn the light on and set light mode before charging the solar power, so it will light up at dusk.