Premier 200 LED 20m Christmas Lights with Timer - Multicolor

These lights require 3 x AA batteries, which are not included.

Yes, they are suitable for outdoor use, but the battery pack must be kept dry.

There is a function changing button on the battery box. Press the button to cycle through the different lighting modes.

The light string is 20 meters long.

Yes, you can use rechargeable AA batteries, but battery life may vary.

Store the lights in a cool, dry place when not in use. Ensure they are dry before storing. It is recommended to remove the batteries if the lights will be stored for an extended period.

First, check the batteries and replace them if necessary. If the lights still don't work, check the connections. If issues continue, it may be a faulty product.

Check the battery compartment for correct battery insertion and ensure the batteries are not depleted. Try replacing the batteries with new ones. Also ensure that the battery pack is not wet.

Check for any loose connections. If the problem persists, it may indicate a fault with the light string, and it may need to be replaced.

This could indicate low battery power. Replace the batteries. Also, ensure that there are no external sources that could interfere with the function control button.