Features: 1. Closed design, strong sealing, waterproof grade up to IP65, effectively prevent the thermometer and hygrometer from entering water. 2. Timing dynamic indicator circle, digital display time display and circular dynamic pointer time display, countdown dynamic back second indicator circle. 3. Multifunctional, not only a thermometer and hygrometer, but also a timer, alarm clock, and clock functions. 4. Over‑limit alarm function, when the upper limit is exceeded, the backlight turns red, when the lower limit is exceeded, the backlight turns orange, and the alarm will beep for 5 seconds. 5. The thermometer is made of high‑quality plastic materials, wear‑resistant and durable, not easy to damage, and have a long service life. Specification: Item Type: Thermohygrometer Material: Plastic Weight: Approx. 310g/10.9oz Display Type: Pointer + Number Timing Function: 99 Minutes Temperature: 0℃-50℃ (℃/℉) Switch Humidity: 20%-99% Installation Method: Can be Hung, Stand or Suck (1 Suction Cup) Protection Grade: IP65 Time Display: 12/24 Hours Switch (with Seconds) Power Supply: 3 x AAA Batteries 1.5V 800MAH/Power Cord Power Supply (Battery Not Included) Display Mode: Digital Display + Analog Dynamic Display Whether with Backlight: Yes Product Color: White Package List: 1 x Thermohygrometer (Battery Not Included) 1 x USB Cable 1 x Suction Cup 1 x Instruction Features Waterproof and Sealed Design: With an IP65 waterproof grade, this temperature and humidity meter is effectively protected against water damage, ensuring its durability and longevity. Versatile Functionality: This multifunctional device goes beyond being a thermometer and hygrometer. It also serves as a timer, alarm clock, and regular clock, providing you with multiple functions in one compact device. Dynamic Display: The timing dynamic indicator circle, along with digital and circular dynamic pointer time displays, allows you to easily keep track of time and countdowns. Over-Limit Alarm: Stay informed about extreme temperature and humidity levels with the over-limit alarm function. When the limits are exceeded, the backlight turns red or orange, accompanied by a 5-second beep. High-Quality Materials: Crafted from durable and wear-resistant plastic, this thermometer is built to last, ensuring a long service life and reliable performance.