CO alarm,CO detector,Carbon monoxide alarm

1\POWER:110VAC/220VAC/230VAC ( or 9V batteries or Rechargeable bettery patck)
2\Working temperature:-40degree~80 degree
3\Alarm density: Carbon monoxide:EN-55022,EN-55024
4\INTERCONNECTING GAS DETECTOR
   (1)CIRCUIT FOR NORMALLY CLOSED RELY CONTACTS
   (2)CIRCUIT FOR NORMALLY OPEN RELY CONTACTS
   (3)Operating Frequency: 433 MHZ/315MHZ (optional)
5\SIZE:163mm*87mm*40mm
6\Weight:400g/pcs
7\PACKAGE size:65cmX46CmX39cm
8\Quantity/BOX:100pcs
9\CtnWei(kg):45kg
10\QTY/20`FT:27000pcs