Warm tips: This solar spotlight is warm white light.Please make sure to turn the switch in the back of solar panel to "on" status. Please make sure that the light’s photocell is not affected by other light sources at night.The brightness and duration of solar lights will be different because it is affected by the climate, seasons, geographical location and other factors. The solar spotlights may need more time (at least 6-8 hours) to be fully charged in the rainy, snowy cloudy weather. NEKTECK 4 LED SOLAR SPOTLIGHTS Q&A Question 1: Are they as easy as pushing them into the ground in the sun and turning them to "on"? When you receive the lights, just set them with the light side down on a flat surface and the solar panel up where they can get a full eight hours of sun to fully charge them. After fully charging, sticking them into the ground or screwing them on the wall (based on your needs). Turn the switch in the back of the solar panel to "on" status and ready to use. Question 2: How can I test whether the solar lights work well when I receive them? Before installing the solar spotlight, it's recommended to test it under a dark place, so you can understand how it functions and which mode you want to choose. If the light isn’t working, leaving the solar panel under direct sunlight to charge the light for a while and test it again. Question 3: How many lumens each light has? What’s the color temperature of these lights? Each LED bead is 50 lumens and 200 lumens for the light. For the warm white solar lights, the color temperature is around 3000K. Question 4: Are batteries included? Is it replaceable? Yes! The chargeable batteries come with the solar lights when you receive them and they are ready-to-use. The batteries (3.7V 2200mAh) can be replaced if needed. Question 5: Packaging included? Packs of 4 LED Solar Lights, Packs of Screws, Ground Stake, 1 User Manual. NEKTECK UPGRADED 4th GENERATION 4 LED SOLAR SPOTLIGHTS Brighter and More Centralized Compared to other solar outdoor lights in the market, 4 Led solar spotlights use premium led beads, which are bright and focus. In addition, both the lights and solar panel are independent and adjustable, so it can easily be adjusted to your preferred angle to point as flagpole or tree lights. Flexible Installation and Function Mount them on the wall or stick them to the ground, and these installations are possible with these outdoor lights. This is ideal for illuminating your yard, garden, driveway, Porch, walkway, or Patio. Adjustable Brightness Levels The light will charge during the day and automatically light up at night. Press Once: Low Brightness Mode(10 Hrs consecutive lighting)Press Twice: High Brightness Mode (6 Hrs consecutive lighting) WHY CHOOSE NEKTECK? With Nekteck’s Solar Powered Lights, you don’t need to keep paying more electric bills to illuminate your outdoors. Use it for safety, accessibility, and security at night to light your walkway, patio, garden, or front yard. You can also have it as a decorative light outdoors for night time aesthetics or landscape lighting. Make the brightest choice for outdoor solar-powered lights withNekteck, and Nekteck can do these jobs! SPECIFICATION Waterproof Level: IP64 Brightness: 2 Adjustable Modes Color Temperature: 3000K Charging Time: 6-8h Working Time: 6-9h Rechargeable Battery: 3.7V 2200mAh Color: Warm White Nekteck Upgraded 10 LED Solar Outdoor Lights Nekteck Upgraded 10 LED Solar Outdoor Lights Buying Options Buying Options Customer Reviews 4.4 out of 5 stars 5,565 4.4 out of 5 stars 5,565 Price $42.49$42.49 $73.09$73.09 Number of Lights 4 Pack 10 Pack Waterproof Grade IP66 IP66 Lighting Modes 2 Brightness Modes 2 Brightness Modes Light Colors Warm White Warm White Color Temperature 3000K 3000K Installation Type In-Ground & Wall Mount In-Ground & Wall Mount Working Time 6-10 Hours 6-10 Hours