Options: Get one tree light or two. Power supply: Powered by 3 x AA batteries (not included) or USB (cable included). Safe: Both a low voltage and low heat emissions make this a safe and efficient light. Warm light: Gives a soft cosy glow to your living space with its warm white LEDs. Adjustable: Bend and shape the branches as much as you like to get your ideal look. Decor: Get a Christmas LED tree light.