Small and exquisite appearance, it is convenient to carry.
Full-automatic induction, excellent sensitivity.
One kind of trigger modes, it is easy to operate.
Stable reliability, ultra low voltage operating mode.
It can be widely used in many kinds of automatic induction electric equipment.
Suitable for movement detection, automatic control, proximity switch, electronic theft prevention, safety protection, remote control measurement etc.
If you are searching an ultrasonic ranging module, the HC-SR04 is good choice: Its stable performance and high ranging accuracy make it a popular module in electronic market. It's cheaper than an IR range finder with similar range accurancy and distance.