KD-218B Carbon Monoxide Alarm

Response time: 27±3 PPM>120min, 55±5 PPM 60-90min, 110±10 PPM 10-40min, 330±30 PPM<3min

Power source: DC4.5V, 3PCS AA batteries

Battery service life: 2years

Static working current: <15uA

Alarm current: <65mA

Alarm sound: >85dB (3M distance)

Dimension: 107*77*36mm