Features: 1. The Infrared Transmitting And Receiving Module Supports 38khz Carrier Infrared Signal Transmission And The Receiving Module Contains Four Infrared Transmitting Tubes. 2. Arranged At The Four Corners Of The Module, It Can Achieve 360° Infrared Signal Transmission Without Blind Spots. 3. By Cooperating With The Microcontroller, It Can Realize The Emission Of Infrared Commands To Control Electronic Products Such As , Air Conditioners, Fans, Etc. 4. It Can Also Receive Instructions From Other Infrared Remote Controls And Make Corresponding Actions. 5. It Has The Advantages Of Remote Control, Low Power Consumption, And Stable Performance. 1. Product Name: IR External Transmitter And Receiver Module 2. Function: 360-Degree Infrared Signal Emission Without Blind Spots Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Material: PCB colour: As Shown Package Contents: 1 x IR External Transmitter And Receiver Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.