★ Hinge is slightly loose. ★ moonmoon inti4s Light Alarm Clock (Light/Alarm) Digital Clock (Smartphone Link/Snooze Function) Light Alarm Clock Sleep Good Sleep [Wake up with natural brightness like the morning sun] This is a palm-sized light alarm clock that emits an overwhelming brightness of up to 20,000 lux, allowing you to wake up comfortably. It gradually brightens like the morning sun a little before the set time, promoting a comfortable awakening. Even with the curtains closed, or on a bad weather day, you can feel like you are basking in the morning sun every day. [Benefits of waking up with light] (1) The substance "serotonin" that promotes awakening is secreted (2) The secretion of the sleep hormone "melatonin" stops (3) The body clock is reset. By basking in the light every morning, your morning awakening will change, your activity level during the day and the quality of your sleep will improve, and your daily rhythm will be adjusted. Let's change your lifestyle from the moment you wake up. [Brightness can also be adjusted] You can choose your favorite brightness from 10 levels. In addition, it is equipped with warm and daylight colored lights, so please choose your favorite color according to your mood. By basking in the white light within an hour after waking up in the morning, your daily rhythm will also be adjusted. The direction of the light can also be adjusted to your preferred angle up to 90 degrees. Please adjust it so that the light hits your face. [Loud alarm function] For those who are worried about waking up only with light or to prevent oversleeping, there is also an alarm function. First, wake up with both sound and light, and when you get used to it, turn off the alarm function and you will be able to wake up comfortably with only light. Not only your awakening but also the quality of your sleep will improve. In addition, by using Bluetooth and linking with the free sleep app "Somnus", you can easily set and operate inti4s with your smartphone. [Reliable Japanese manufacturer] Moonmoon, a company that manufactures and sells good sleep goods, with many sleep improvement instructors. *If you contact us via "Order History" → "Contact Seller", we will respond promptly with repairs or replacements, etc.