ab CHF 11.90

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What is in the package 1. A packaging box. 2. Two temperature and humidity sensors,And two sets of double-sided adhesive for installation. 3. An English instruction manual. Tips for purchase About Update Frequency 1. The sensor uses a trigger mechanism. When the temperature or humidity changes to the set value, the sensor will report the data immediately. Generally, the data is updated once an hour. 2. The sensor cannot set the update report data frequency. 3. The sensor cannot set alarm. The alarm function is set on the APP. If you need to update data in real time, please purchase a USB powered version(TH06/TH16). About Proper Selection and Use of Batteries 1. Only LR03-1.5V alkaline battery can be used (1.2V rechargeable battery may cause the equipment to detect wrong voltage and report low voltage) 2. Batteries of different models or brands cannot be mixed. 4. New and old batteries cannot be mixed. 5. It is prohibited to use inferior batteries. Otherwise: 1. Configuration fails; 2. Battery consumption is too fast. How to obtain high-quality battery? Please buy in a regular supermarket or chain supermarket. Note: After the device configuration is completed, it needs to be placed in a position where the wireless signal is good, otherwise the device signal power will become larger, which will lead to excessive battery consumption. About Network Testing Devices using the network consume a lot of power. To ensure the service life of the battery, the device will stop using the network when it does not need to report data Therefore, it is meaningless to test the network signal of sensors in APP. Error on temperature and humidity 1. All temperature and humidity sensors will have certain errors, please note. The temperature error of this sensor is ± 1 ℃, and the humidity error is ± 5% RH. Any value within this range is normal. 2. The sensor error and manufacturing process will meet, and there will also be some errors between products of the same mod