Enhance for Your Cup Experience: Illuminate for your 40oz/30oz tumbler with this LED handle that offers six vibrant lighting effects at the touch of a button. Perfect for various settings like home, parties, cinemas, or camping, this accessory is designed exclusively for cups, adding a splash of color and excitement to your beverage container. Long-Lasting Battery Life: Equipped with a 500mAh rechargeable lithium battery, this LED tumbler handle provides between 3 to 7 hours of light per charge, depending on the mode. It takes only about 2 hours to fully charge, ensuring your cup remains lit throughout your evening activities. and User-Friendly Design: This LED handle is not only waterproof and shockproof, protecting it from accidental drops and spills, but it's also easy to install. It comes with a screwdriver and two screws for quick assembly and disassembly, making it a practical addition to for your tumbler. Color: Grey Material: plastic Package Contents: 1 * Handle 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.