For infrared signal intermittent emission, a radiator cannot be added; if you need to continue to light up the high level, a radiator must be used! Can transmit infrared signals through the microcontroller, instead of remote control home appliances, light bulbs, LED lights, and so on. Through self-programming, it can control televisions, air conditioning, DVD home theaters, and other infrared remote control equipment. Compact size and beautiful arrangement of components. Convenient, wide range of applications, suitable for various industrial DIY occasions products. Module operating voltage: 5V Model: 940 infrared Color: As Shown Material: PCB Specification: 3w Package Contents: 5*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.