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. 1 x Thermohygrometer (Battery Not Included)1 x USB Cable1 x Suction Cup1 x Instruction Item Type: ThermohygrometerMaterial: PlasticWeight: Approx. 310g/ 10.9ozDisplay Type: Pointer + NumberTiming Function: 99 MinutesTemperature: 0℃-50℃ (℃/℉) SwitchHumidity: 20%-99%Installation Method: Can be Hung, Stand or Suck (1 Suction Cup)Protection Grade: IP65Time 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 DisplayWhether with Backlight: YesProduct Color: White