You've picked up a set of our solar landscaping lights,huh?The environment thanks you! Here are some helpful tips for you: 1.Turn on before installation:Remove the isolator tab to activate on or switch to on position. 2.Spike:The spike of the light please take it,plant it completely and firmly into the ground while installation. 3.Direct sunlight:Make sure the solar panel of the light is placed in an aera receiving direct sunlight. 4.Keep solar panel clean:It is important that solar panel is kept clean,A dirty panel may prevent the activation or keep the lights from fully charging.To prevent this,please regularly and gently wipe the panel off with a damp cloth or rag. 2.​Specification: Main Material: Glass,Stainless Steel,Plastic Lampshade:Ribbed Glass Lens Upgraded Solar Panel: 2V 40mA Upgraded LED Brightness: 10 Lumen Upgraded Dual LED Color: Blue,Warm White LED quantity per Light: 2pcs Battery Rechargable: Yes Battery Type: Ni-MH Battery Size: AA Battery Capacity: 600mAh Battery Voltage: 1.2V Waterproof Level: IP44 Weather resistency: Yes Package:one set of 4pcs in one color box with drop protection inside. 3.DUAL COLOR LED Unique and great two white & blue LED design per solar light. 4.Weather resistency Made from durable weather resistent materials Waterproof:Professional design to prevent water from entering light housing. 5.Clean Energy Energy-saving LED Feature: Clean Energy:Charged by sun,solar powered. Enrivonment friendly:No wire required,no electricity needed. Auto On/Off:Automatically turn on at dusk and off at dawn. Energy-saving:LED lighting source with high efficiency and lowest power consumption. www.amazon.com/dp/B079P76GP2