features:

1. new graffiti WiFi digital temperature and humidity sensor, without hub

2. built in high-precision digital display sensor can quickly and accurately detect temperature and humidity changes

3. USB charging eliminates the need to buy batteries, saves energy and money.

4. the sensor is equipped with a temperature probe (optional), which can accurately test the water temperature / aquarium and other humidity. It is widely used.

5. the temperature and humidity on-line and off-line can be set, and the alarm will be given immediately when the temperature and humidity exceed.

Specifications:

Product Name: WiFi temperature and humidity sensor

Operating humidity: 0~100%rh

Operating temperature: -19 ℃ ~60 ℃ (-2.2 ℉-140 ℉)

Temperature measurement accuracy: ± 0.3 ℃

Humidity measurement accuracy: ± 2%

Brightness measurement range: 0~100%

Working voltage: DC 5V

Static current: 30mA

Battery Specification: 3.7v/500mah

Charging time: ≤ 2 hours

Service time of built-in battery: ≤ 4 hours (fully charged)

Temperature probe: 1m

Wi Fi standard: IEEE 802.11 b/n/g 2.4GHz

Size: 86*86*22.8mm

App Name: graffiti smart or smart life

Package includes:

1* intelligent temperature and humidity sensor

1* user manual

Notes:

1. after connecting the temperature sensing line, you need to manually calibrate the temperature of the sensor.

2. the temperature error of the external induction line is ± 1 ° C, and only integer (° C) is displayed.