Adjustable and High-Efficiency Solar Panel: Our luminous address numbers for houses are equipped with upgraded monocrystalline solar panels, the large-size solar panels have higher energy conversion efficiency than other solar address lights. After being fully for 6-8 hours in full sunlight during the day, it can light up for up to 8-10 hours. It has an adjustable design, and the large solar panel can rotate up, ensuring it can get enough sunlight for different seasons. Smart Control: This house number sign has a built-in brightness sensor, the solar panel sense changes in the brightness, automatically turn on at night, and turn off at dawn. The first 4 hours of 100% brightness, after every 2 hours automatically reduce the brightness by 5%, its function can be effective for the lighted address sign to save power and extend the service life. Type C Rechargeable: Compared with solar address house number sign, our most characteristic is that we specially add a type c rechargeable function. You don't need to worry about the inability to provide sufficient light and heat power for the illuminated address sign in the weather such as rain, snow, and continuous cloudy days. Outdoor using Design: The solar lighting address sign is made of high-quality material, sturdy and waterproof. We sincerely hope that customers who use these address numbers for houses can make your friends, couriers or guests find their destination easily, Wide Application:to provide enough bright white/warm/warm white to make your address number more visible in the dark. house numbers for outside can provide accurate directions to help your visitors Colour:Black Material:Plastic Package Contents: 1x Solar Power Address Sign Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.