Combination Gas Detector Carbon Monoxide Smoke Detector Battery Operated CO Smoke Detector with LED Display Flash Audible Alarm Sound Warning Pattern

Features: [Combined CO and Smoke Detector] With an advanced electrochemical carbon monoxide sensor and a photoelectric sensor, CO and smoke detection is accurate. [Loud and Flashing Alarm Pattern Warning] When a dangerous concentration of smoke or CO is detected, it will warn you with flashing LEDs and a loud alarm sound. [LED Display Screen] Can clearly show the real-time carbon monoxide concentration in the surrounding air. [Battery Powered] Powered by 2 * AAA batteries (not included), no need to charge, no messy wires, convenient to use. [Easy to Install] Comes with a bag of screws, easy to install the detector on the walls of the bedroom, living room, cooking, etc. Features: Color: White Material: ABS Detection Gas Type: CO, Smoke Alarm Mode: Flash + Loud Alarm Sound CO Sensor Type: Electrochemical Operating Temperature: -10 ~ 60 Humidity relative: 10 ~ 95% RH CO sensitivity: 000-999 PPM Alarm sound: ≥75 dB (1 meter) Alarm concentration: 50 ppm: screen lights up, 150 ppm human voice alarm Power supply: DC 3V, 2 * AAA batteries (not included) Product size: 6*6*2.5 cm/2.3*2.3*0.98 inch Product weight: 70 g/ 2.4 oz Note: Batteries are not included.