Solar Fence Lights Shell Color: Black Material: PP+PS Mode: 2 Modes Mode1 - Cool White Mode2 - Colorful Voltage: 0.06 Volt Fixture Features: Instant On Shade Material: Plastic Power Source: AC solar energy Bulb type: 2 LED How does the solar light work? During the day, the solar panel converts solar energy into a rechargeable battery. At night, the light turns on automatically using stored energy. The lifespan of the light depends on its location, weather conditions and the availability of seasonal lighting. If the light does not turn on automatically after 6 hours of charging, please check the following: 1. Make sure the battery is making good contact with the terminals. 2. Make sure the lamp is placed in a sunny place and the solar panels are facing the sun, the battery may not be fully charged when purchased.