Features: Auto Switch House Numbers: Switch to "AUTO" before the first time use the house numbers. Built-in sensor in the solar panel will turn on the light in dark and off in daytime. And it will work perfectly under normal sunlight exposure. Long Working Hour: With normal sunlight charge our address numbers can provide 10~12 hours illumination for your house daily. In Extreme weather, the 2000mAh rechargeable battery can illuminate 40 hours continuously without a charge. Manufactured With Strong Material: The frame is made by black strong aluminum, 1/4 inches thick for the PVC board. Our house numbers can suit any weather condition and architectural style. Clear Numbers and Easy Alignment: Each package includes: 4 sets of numbers 0~9, 1 set of letters A~Z each with 3.5H and 2.3 W and 2 aligned templates (4 and 5 digits). Suitable for any combination of address numbers. Easy Install and Muti-Function: Drill two holes with 8.4 distance and hang on the address plaque. No more dislocate visitor to your house with this address sign. Package includes: 1*Door Number Light