1. Temperature and humidity monitoring: It can accurately monitor indoor temperature and humidity in real time to help you understand environmental changes. 2. Remote monitoring: No matter where you are, you can remotely monitor indoor temperature and humidity through the for App to the comfort of your home or office. 3. Intelligent automation: Link with smart devices such as smart thermostats, smart air conditioners or smart lighting to achieve intelligent automation. 4. Voice detection: You can understand the current temperature and humidity through simple voice commands, freeing your hands. 5. 1-meter long temperature sensor cable: The sufficiently long sensor cable can provide a range for temperature detection and can be used in scenarios without distance restrictions. Probe: 1M long Battery: LR03-1.5V/3 x AAA (alkaline battery) (battery not included in delivery) Probe measurement range: -40℃-120℃ Temperature measurement range: -9.9℃-60℃ Temperature accuracy: ±1℃ Humidity measurement range: 0% RH-99% RH Humidity accuracy: ±5% RH Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:White Material:ABS Package Contents: 2 x Temperature and humidity sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.