Combination Smoke and Carbon Monoxide Detector Alarm Digital Display for Travel Home Bedroom and Kitchen 9V Battery Operated

◆Power supply: DC 9V battery, 6F22 ◆Standby current: ≤98uA ◆Alarm current: ≤75mA ◆Alarm sound: ≥85dB (1m) ◆Sensor type: Photoelectric sensor & Electrochemical CO sensor ◆Low battery warning:...