Specifications

• ESP8266 modul: Ai-Thinker ESP-12F
• Operational voltage: 5 V
• DC connector: 5.5/2.1
• IR reciever: IRM-3638T
• Diameter: 75 mm
• Weight: 21 g

Note: The ESP8266 module requires 3.3 V for programming, not 5 V.