1、This model of light size is suitable for 2 models Stanley cup :Suitable for Stanley Quencher H2.0 Tumbler 40oz、Stanley Quencher ProTour 40oz.Please choose the correct light model before purchasing 2、Smart APP Control Colorful light：You can unlock various functions by downloading the configured app, eliminating the inconvenience of manual control. Adjust the flashing mode, color, and brightness according to your preferences to turn a lamp into a vivid light show for decorating your cup in various occasions. 3、Variable Mode and Function：In the app, you can freely adjust the color, brightness, flashing speed, and flashing mode. In addition, it has a music mode that can flash with the music played within the app. What's even more powerful is that you can choose the microphone mode, which can flash with external sound receive from the built-in microphone of your phone or light. 4、Perfect personalized decoration: Imagine you bring your Stanley cup with this light to a family gathering or a colleague dinner. The dazzling lights make you the focus of the party and add a rich lighting atmosphere to the gathering.How a wonderful thing！ 5、Simple Installation Method(This light is not fully waterproof):When installing, simply Sleeve the light in the stainless steel ring of the Stanley cup and fix the screw with the knob. When cleaning the cup, please remove the light before cleaning to avoid damage to the light caused by water 6、Portable and Rechargeable:The light can be Firmly installed on your Stanley cup, without easily falling off or affecting your ability to open the lid normally, making it very portable. Equipped with Type-C charging cable that can cycle to charge the light. Specifications: 1、Suitable for Stanley Quencher H2.0 Tumbler 40oZ :This light is fixed to Stanley cup by hand tightening screws. The model you are browsing is Suitable for Stanley Quencher H2.0 Tumbler 40oZ. Please confirm if the cup size you have is 40OZ before purchasing. 2、Smart APP Control Colorful light：You can unlock various functions by downloading the configured app, eliminating the inconvenience of manual control. Adjust the flashing mode, color, and brightness according to your preferences to turn a lamp into a vivid light show for decorating your cup in various occasions. 3、Variable Mode and Function：In the app, you can freely adjust the color, brightness, flashing speed, and flashing mode. In addition, it has a music mode that can flash with the music played within the app. What's even more powerful is that you can choose the microphone mode, which can flash with external sound receive from the built-in microphone of your phone or light. 4、Perfect personalized decoration: Imagine you bring your Stanley cup with this light to a family gathering or a colleague dinner. The dazzling lights make you the focus of the party and add a rich lighting atmosphere to the gathering.How a wonderful thing！ 5、Simple Installation Method(This light is not fully waterproof):When installing, simply Sleeve the light in the stainless steel ring of the Stanley cup and fix the screw with the knob. When cleaning the cup, please remove the light before cleaning to avoid damage to the light caused by water 6、Portable and Rechargeable:The light can be Firmly installed on your Stanley cup, without easily falling off or affecting your ability to open the lid normally, making it very portable. Equipped with Type-C charging cable that can cycle to charge the light. Package List User Manual * 1 Colorful Light * 1 Extra Fixing Screw * 1 Type-C Charging Cable * 1