Features: 4 in 1 Plug In Gas Detector combines temperature, humidity, CO, and gas leak detection with high sensitivity sensors and real time LCD display for comprehensive safety monitoring in residential and commercial spaces. Crafted from strong ABS component , this plug in gas analyzers features double sound visual alarms and continuous power supply through direct wall outlet connection for uninterrupted operate . Ideal for homeowners, landlords, and facility managers requiring stable environmental monitoring in kitchens, basements, or utility rooms with gas appliances. Provides defense in living spaces, workshops, and vacation homes by detecting hazardous gas concentrations and sudden temperature/humidity fluctuations. This CO gas monitors delivers professional detection accuracy through advanced semiconductor sensors while maintaining user friendly operate for household safety. Specifications: Component : ABS. Size: about 105x60x60mm/4x2.4x2.4inch Weight: 116g. Gas (/) measurement ranges is 0-10000ppm, reaction times is 3 minutes (≥ 3000ppm). Backup current <15uA. Alarm current <30uA. The operating electric is 90~240V. C0 gas measurement ranges is 0-999ppm. Alarm standard ( 2034 standard)> 70 ± 5 ppm, alarm within 60-240 minutes. > 150 ± 5 ppm, alarm within 10-50 minutes:. Temperature measurement ranges is 32-212°F Package Includes: 1xGas Detector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.