Laser-receiver Sensor + Ky-008 Transmitter /Set For-arduino Avr~

Sensor Board for Arduino Receiver Transmitter Non-Modulator Tube. KY-008 650nm 5V red sensor transmitter dot diode for Arduino. 5 KY-008 Transmitter Modules. 5 Receiver Sensor Modules. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.