Features:
*LCD display the combustible gas concentration, easy to read.
* Human voice prompt, when reach the given alarm level, the detector will alarm & voice reminding: attention please, gas leaking.
* Adopting high reliable & stable semiconductor combustion method.
* Gas concentration displaying (PPM). When over 1000PPM, display the real-time concentration, when over 9999PPM, display HHHH.
* Intelligent microprocessor control.
* Auto detect sensor failure.
* Silence your gas detector by immediately pressing the test button when non-emergency gas.
* Power supply from AC 90-240V.