YINGHAO Bright 2-In-1 Waterproof 8 LED Outdoor Solar Powered LED Spot Light Spotlight/ Popular and Longest Lived Model/ A Best Buy for Years of Use/ Most Cost-effective for Added Security Upgrade 400 Lumens---8 x 50 Lumen enhanced LED,super bright for daily lighting. Upgrade Battery---Built-in 3.2V/2400mAh 18650 lithium rechargeable battery,10 hours working hours after full charge. 2-in-1 Tool-free Installation---Stick into the ground / Use included screws to mount on the wall. Auto-2 Brightness Modes---Automatically Light on at high grade 5 hours ahead and at low grade later.User-friendly design for home use illumination. Auto-darkness Sensor---The spotlight won't light up in bright place. To turn on the light in the daytime, please fully cover the solar panel and make sure there is no light source or sunshine detected. Please peel off the film covered on the panel before putting it under the sun for charging.