⚫︎ Brand new, unused. ● The top photo and the actual product photos may differ slightly, so please be sure to check the actual product photos before purchasing. If you have any questions, please comment. 【Short Response Time】: The onboard 10A/250V AC, 10A/30V DC relay operates continuously for 100,000 times with diode effusion protection, shortening the response time. 8-bit MCU Chip: The ESP8266 WIFI relay module uses ESP-01 as a WIFI module, equipped with a mature and stable 8-bit MCU chip. 【Power-Off Memory】: Using Smartconfigg technology, complete the account and password settings of the ESP-01 WIFI module in the mobile phone app. The set account and password have a power-off memory function. 【Easy Setup Process】: Only use a simple setup process in the mobile phone app, and you can select the onboard mode and real-time operating status indicator. Maximum Transmission Distance: 328.4 feet (100 m): When the mobile phone is installed in an open environment, the maximum stable transmission distance is 328.4 feet (100 m). This product is brand new and unused. Please purchase only if you understand this. Ue 2-38