4in1 decibel meter design, it is designed to combine a sound meter, thermometer, humidity meter and clock in one. It is a useful tool for testing, monitoring or controlling and testing the ambient environment and sound level. Adopts semiconductor air sensor, it tests temperature, humidity, and decibel values with high accuracy and sensitivity. 11-inch large LED display with time, temperature, humidity, and decibels display function. gears of decibel level indicator design with three different colors of green, yellow and red to indicate different decibel levels, also with three indicator symbols. Support wifi and Tuya APP function. Features: 4in1 Design: The 4-in-1 function is designed to combine a sound meter, thermometer, humidity meter and clock in one. It is a useful tool for testing, monitoring or controlling and testing the ambient environment and sound level. Semiconductor Sensor: Adopts semiconductor air sensor, it tests temperature, humidity, and decibel values with high accuracy and sensitivity. Digital Color Display: 11inch large LED display with time, temperature, humidity, and decibels display function, all the data can be seen at a glance. And the brightness is adjustable. 6 Gears of Decibels Design: 6 gears of decibel level indicator design with three different colors of green, yellow and red to indicate different decibel levels, also with three indicator symbols. WiFi and APP Function: Support Tuya Wi-Fi 2.4G, make your cellphone connect to the device via Wi-Fi and the Tuya app, and you can find data in the app. USB Charging Design: Built-in 2000 mAh lithium battery, USB cable charging, with long endurance. Wide Applications: Simplicity and elegance dewign, can perfectly fit in any modern designed home or office furniture, widely used in homes, schools, offices, hotels, etc. Specifications: Name: Tuya WiFi Decibel Meter Material: ABS Battery: 1 * built-in 2000mAh battery (included) Item size: 270 * 89 * 36mm / 10.63 * 3.50 * 1.42in Item weight: 320g / 11.3ounce Package size: 330 * 100 * 45mm / 12.99 * 3.94 * 1.77in Package weight: 560g / 1.23lb Packing List: 1 * Tuya WiFi Decibel Meter