Through-beam photoelectric sensor infrared through-beam counting sensor sensor module slot optocoupler module board

The receiver designed for middle-aged and elderly people operates the sensor control box through the module. the operation is simple and convenient, and the function is very powerful. set the module to measure speed through the sensor, and the module allows you to take the required actions anytime and anywhere. in appearance, the module uses three major functions: strong light and electric sensors for tracking. it is more convenient to match the sealed module.