Keep your home smiling and safe with this Quick Sense 4‑in‑1 detector that spots carbon monoxide and common gas leaks fast. Its advanced electrochemical sensor refreshes readings every 2 seconds and displays CO (0–999 ppm), temperature and humidity on a bright 2.1″ HD screen. Plug into any 110–220 V AC outlet, choose screen brightness or turn it off while the LED heartbeat confirms ongoing monitoring. Dual audible buzzer and LED alerts warn instantly, and the compact ABS body (4 × 6 × 8 cm, 0.2 kg) fits bedrooms, kitchens, RVs and hotels.

Brand	Quick Sense
Model	QS-GD02
Power Source	Plug-in (110–220 V AC), internal battery backup
Sensor Type	Advanced electrochemical CO sensor (fast, selective)
Detection Range	0–999 ppm (±5% accuracy)
Display	2.1-inch HD numeric display showing CO ppm, temperature (°C) and humidity (%)
Temperature Range	-10 °C to 50 °C (±3 °C)
Humidity Range	5%–95% RH (±5% RH)
Alarm	Dual alarm: loud audible buzzer plus LED visual indicator
Material & Build	Durable ABS plastic housing, compact plug-in design