Gas Detector, Combined Carbon Monoxide Smoke Detector, Battery-Operated CO Smoke Detector with LED Display, Flashing Light, Audible Alarm, Audible 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] Clearly displays the real-time carbon monoxide concentration in the surrounding air. [Battery Powered] Powered by 2 AAA batteries (not included), no charging required, no messy wires, convenient to use. [Easy to Install] Comes with a bag of screws, making it easy to install the detector on the walls of the bedroom, living room, kitchen, 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°C Relative Humidity: 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 inches Product Weight: 70 g / 2.4 oz Note: Batteries are not included. Package List: 1 * Detector 1 * Bag of Screws 1 * User Manual