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Power supply mode: 2 AAA batteries (not included in the product)
Thick aluminum alloy forging
Can convert electricity at night
and the other is OBD mode
JSN-JY-909COM Smoke Carbon Monoxide Alarm Detector without Battery Roadway Safety Power supply mode: 2 AAA1. Product size: 37x107mm 2. Working power: DC 4. 5V 3 AA batteries 3. Applicable gas: smoke, carbon monoxide 4. Sampling method: natural diffusion 5. Sensors: semiconductor sensors, electrochemical sensors 6. Alarm set value: smoke 0. 3db M 7. Indoor temperature: 10 55 degrees Celsius 8. Response time: less than 30 seconds 9. Recovery time: less than 30 seconds 10. Alarm mode: sound and light alarm 11. Service life: about 3 years 12. Standby current:
US$ 134.00
US$ 155.00
US$ 174.00
