* High-sensitivity with the ditected range 300m2.

* Mini dimension, low volume and low power wasted.

* Suit for bank, office and meeting room.

* + Red power source -Black groundwire S-Black signal S+Green signal

* Working volt: 4~14 V

* Work current: 5 mA~60 MA

* Sensitivity: 200mA/ubar

* Frequency: 50~~10000 HZ

* Maximum output Voltage: 5 V-up