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* Operating human voice prompts * LCD displays carbon monoxide/combustible gas alarm concentration * AC 90V-240V and built-in 9V rechargeable battery * Microprocessor intelligent control * High reliability dual sensor design * Sensor fault self-test function
National hotline
400-992-0476
* Power Supply: AC 90V-240V or 9V rechargeable battery standby power supply
* Preheating time: 3 minutes
* Standby current: ≤0.025A
* Alarm current: ≤0.060A
* Alarm sound: ≥85dB (within 1 meter)
* Operating temperature: 0°C~+50°C
* Working humidity: 10%-95%RH
* Size: 112×73×42mm
* Weight: 185g
