We are offering dc carbon monoxide detector. Approved en50291 by lpcb nemotofigarosixth sense sensor. Power supply: dc 4.5v (3 x aa 1.5v), 7 years battery loud 85db(a) alarm signal. Sensor type: electrochemical sensor life: 7 years sensitivity setting: conforms to en50291 standard. Lcd display range: 20~999ppm standby current:
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