Radio Bridge Push Button Operating Temperature_0 ~ 60°C it offers a LoRa range

it offers a LoRa range up to 10 miles with a local 2

P-cap Multi-Touch                                 Scratch resistance: 7H             FHD 16:9 natural viewing experience

7 mm WEIGHT TBD ENVIRONMENTAL OPERATING TEMPERATURE -20°C ~ 60°C (4 ~ 140°F) STORAGE TEMPERATURE -20 ~ 70°C (-4 ~158°F) STORAGE HUMIDITY 10% ~ 95% @40°C non-condensing VIBRATION RESISTANCE Operating Random vibration Test 5-500Hz

The wireless dry contact sensor detects a connection between two wires

Radio Bridge Push Button Operating Temperature_0 ~ 60°C it offers a LoRa rangeThe single push button sensor can be used as a panic button, personal emergency response (PERS), remote control, or other remote push button applications. When the button is pressed, an alert is sent to the wireless network. Versions of the sensor support the major LPWAN standards such as Sigfox, LoRa LoRaWAN, and NBIoT.