These Solarek Solar Landscape Lights can automatically detect surrounding brightness: it enters charging mode to convert sunlight to electricity that is stored in the 1800mAh rechargeable battery in daytime, it automatically lights up at night. It has 3 brightness modes, so you can adjust to a desired mode by pressing the back button. Its solar panel with 19% high photoelectric conversion can effectively absorb the sunlight on the day and convert sunlight into electricity to fully charge the inbuilt battery about 8Hrs. Total 32 LEDs provides a max.1200lumens illuminating brightness for dark night. Install Solarek beneficial & durable solar lights to ensure safety of you and your families. Features : Upgraded Solar Landscape Spotlights: Much Brighter 32 LEDs with total 800 Lumens, Wider 150Lighting Angle and 90Adjustable Bigger Solar Panel. Solarek Solar Security Lights is much more unique, powerful and practical compared to other 4-12 LEDs solar lights in the market.3 Brightness Lighting Modes: Low Light Mode(25hrs)/Medium Light Mode (15hrs)/High Light Mode(8hrs). Solarek Solar Garden Lights can automatically detect changes in the brightness of the external environment. When the brightness is low enough to require illumination, it will automatically switch from energy storage mode to lighting mode without motion detection (Auto on at night / Auto off at sunrise).Powerful IP65 Waterproof: Made of high-impact ABS plastic with IP65 waterproof and heatproof performance. Solarek outdoor solar lights have powerful IP65 waterproof design and can withstand all kinds of terrible weather. Much more durable than other less waterproof grade lights.2 Installation Options: Stick into the ground with stakes/Mount on the wall with the screws included. 90 adjustable solar panel offers perfect lighting angle. Optimum for Patio, Porch, Path, Deck, Pool, Yard, Garden, Garage, Driveway, etc.High-Quality & Safety Ensured: Solarek Solar Security Lights adopts innovative technologies innovation to provide customers with the better outdoor solar lighting experience and certifications issued by FCC, CE, RoHS, etc.3 Lighting modes:Press Once: Low light modePress Twice: Medium light modePress Three Times: Highlight modeWarm Tips:1.Please make sure to turn on the switch before use.2.Instead of motion sensing, this solar spotlight triggers lighting by sensing changes in external brightness.3.In order to maximize the lighting effect, please make sure that the solar landscape spotlight is full of sunlight electricity.4.That whether the solar landscaping spotlights can produce the best lighting effect or not depends on sunlight intensity, geographical location, weather, seasons and other inevitable factors.5.It is normal that outdoor solar lights may need more time (at least 6-8 hours) to charge in cold or cloudy weather day because there has not enough direct sunlight supplied.