Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display, Dual Alarm Sensor of Smoke and CO,Easy to Install

*SPECIFICATION*
*Power supply: DC 4.5V (3*1.5V AA Batteries)
* Standby current:≤98uA
*Alarm current: ≤75mA
*Alarm sound: ≥85dB (1m)
*Sensor type: Photoelectric sensor & Electrochemical CO senso
*Low battery warning: <3.6V
*Temperature range: 0°C~49°C (32°F~120°F)
*Humidity: ≤95%RH (No icing or condensation)
*Dimension:Φ115(D) x 38(H)mm
*Alarm sensitivity. CO alarm sensitivity & time: 70ppm, alarms within 60-180minutes; 150ppm, alarms within 10- 50minutes; 400ppm, alarms within 4-15minutes; 700ppm, alarms within 2-6minutes.
*Executive criteria: UL217; BS5446

Smoke and Carbon Monoxide Detector Offering Excellent Security: Making a Loud Alarm (85 dB) When It Detects a Buildup of Smoke or Carbon Monoxide, and Instantly Alert Those In Danger.
Built-in Electrochemical Sensor with High Accuracy and Infrared Photoelectric Sensor Helping to Reduce False Alarms.
Carbon Monoxide Detector and Smoke Alarm Providing Whole-day Protection.
Battery-powered Unit Can be Installed Quickly and Easily without an Electrician.
We do a 5-year manufacturer’s warranty and service until you are satisfied.