Carbon monoxide detector Hot wire type sensor Power110vac/220vac/230vac 9v-20vdc Alarm density carbon monoxide150ppm+-50% Interconnecting gas detector (1)circuit for normally closed rely contacts (2)circuit for normally open rely contacts (3)operating frequency 433 mhz/315mhz (optional Size115mm*70mm*40mm Weight228g/pcs Package size58.5cmx28.5cmx53.3cm Quantity/box100pcs Q`cty/20`ft35200pcs
