ESP8266 ESP-01S Serial Wireless Module Wifi Sensor-10pcs

Wireless Standard:802.11b/g/nFrequency Range:2.4GHz-2.5GHz(2400M-2483.5M)Data Interface:UART/HSPI/I2C/I2S/Ir Remote Control/GPIO/PWMOperating Voltage:3.0-3.6V(We recommended 3.3V)Operating Current:Average 80mAOperating Temperature:-40~125°Wireless Network Mode:station/softAP/SoftAP+stationSafety Mode:WPA/WPA2Encryption Type:WEP/TKIP/AESNetwork Protocol:IPV4,TCP/UDP/HTTP/FTP Package Included:10PCS x ESP-01S ESP8266 Serial to Wifi Wireless Transparent Transmission Module