Below are the available bulk discount rates for each individual item when you purchase a certain amount
Infrared sensor with built-in receiver and transmitter is ideal for robotics, positioning, control, targeting, measurement, navigation, and automation. This is a low-cost alternative to an ultrasonic range finder. Connects directly to microcontroller. 8-bit serial range; measuring range 4" to 31" (10 to 80 cm). Uses only two I/O lines. Comes with a 12" long cable.