Feature: 1. Clear LED Display: The digital alarm clock features an 8 digit LED display, making it easy to read the time and temperature at a glance. 2. Countdown Function: With the countdown feature, you can conveniently set timers for 60 seconds or 60 minutes. Simply rotate the knob to quickly set the desired countdown time. 3. Temperature Measurement: The clock can display temperature in both Celsius and Fahrenheit, allowing you to easily switch between the two. It has a normal measurement range of ‑10°C to 50°C (14°F to 122°F), ensuring accurate temperature readings. 4. Versatile Usage: The alarm clock is suitable for various spaces such as living rooms, offices, bedrooms, kitchens, cars, hotels, and more. It can seamlessly blend into any environment and fulfill your timekeeping needs. 5. Rechargeable Battery: Equipped with a 500mAh rechargeable battery, the clock offers convenience and portability. You can use it without worrying about constantly replacing batteries. Specification: Item Type: Rechargeable LED Digital Alarm Clock Material: ABS Usage: The digital alarm clock is not only a loudly alarm clock that wakes you up every morning, but also a large size alarm clock suitable for the elderly. You can see it clearly from the other side of the room without wearing glasses. Shipped with Built in Battery Battery: 1 x Lithium Battery Battery Capacity: 500mAh . Package List: 1 x Rechargeable LED Digital Alarm Clock (Shipped with Built in Battery)1 x USB Charging Cable1 x User Mnaual