Features: Wall Attachable. LoRaWAN v1.0.3 Class A protocol. 1 x push button. Different Color available. Built-in Temperature & Humidity sensor Built-in speaker Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915 AT Commands to change parameters Remote configure parameters via LoRaWAN Downlink Firmware upgradable via program port Support 2 x AAA LR03 batteries. IP Rating: IP52
