Specifications Hign-concerned Chemical:None Installation Method:self-contained Power Source:SOLAR Style:Modern Style Is Bulbs Included:Yes Voltage:3.7V Light Source:LED bulbs Brand Name:FIGHTING WOLF Certification:ce,EMC Is Dimmable:Yes Solar Cell Type:lithium battery Protection Level:IP65 Body Material:ABS About this item 300mah Battery Each solar light with 3 lumens, creating a warm white color that would not be a bother to anybodys sight, making nightly stroll safe for the family. White surface providing a more sophisticated and modern touch to your space. Free ElectricitySolar-powered deck step lights are equipped with light sensors that automatically turn the lights on at dusk and off at dawn. With this, you can save your electricity bill as well as help save the environment. Automatic turn onThis light has no switch, pull out the insulator sheet then put into use. Just leave it where it can receive direct sunlight and it can work 6-8 hours during the night. Easy InstallationMounts along any edge, you can fix it with two-sided tape or the screws included, The size is subtle enough to blend in easily to deck,no worry about tripping.