2 alarmas de CO con pantalla LED retroiluminada azul, detector de monóxido de carbono inalámbrico, sensor de CO de 0 a 999 ppm

Características: 1、WORKING DETAILS: This carbon monoxide alarm is equipped with a CO sensor, which can quickly respond to the CO level and provide an immediate alarm of the CO level within the range of 0 to 999ppm. If the concentration exceeds 300 ppm, the carbon monoxide detector will respond within 3 minutes to ensure that your family is safe. 2、LED DISPLAY: This CO alarm is designed with a blue backlit LED digital display, accurate, reliable and sensitive data display, convenient to monitor. 3、EASY TO INSTALL: This alarm is small and compact in size, light in weight that you can quickly complete the installation and put the alarm into use. 4、ABS MATERIAL: Made of premium ABS material, this CO sensor is wear resistant, impact resistant, ensures a long life span. 5、2PCS: There are 2 pieces alarms in the package that you can install them in different rooms and make measurement more accurately and timely!