La description

For home security, protecting you fromsilent poisoning Feature: Carbon monoxide detector 1, MCU processing adopted. 2, Connect mode:*****/***** 3, Auto check and indication for malfunction. 4, Induced CO 5, Best adaptability with environment. 6, sensor with high stability. 7, Auto reset function 8, Auto drift compensation added. 9, joint fan exhaust appended. .Specification: 1、Hot wire type sensor 2、POWER：**0VAC/**0VAC/**0VAC 、9V**0VDC 3、Alarm density： Carbon monoxide：**0ppm***0% 4、INTERCONNECTING GAS DETECTOR (1)CIRCUIT FOR NORMALLY CLOSED RELY CONTACTS (2)CIRCUIT FOR NORMALLY OPEN RELY CONTACTS (3)Operating Frequency： **3 MHZ/**5MHZ (optional) 5、SIZE：**5mm**0mm**0mm 6、Weight：**8g/pcs 7、PACKAGE size：*8.5cmX*8.5CmX*3.3cm 8、Quantity/BOX：**0pcs 9、CtnWei（kg）：*8kg *0、Q`CTY/*0`FT：****0pcs