Feature: 1. Protect Your Family: This gas detector will have voice warning once it smells the gas leak, fast alarm and you can do something that avoids to happen explosion and fire, It\u0027s enough to protect the safety of family and property. 2. Easy to Install: Our gas alarm adapts excellent industrial design and leaves 2nd outlet uninterrupted for other devices. Just plug in, and ready for monitoring potential gas leak risky after warm up process. 3. Digital Display \u0026 Voice Warning: The natural gas detector quickly and accurately detects gas leak to give you the earliest possible warning of gas leak with 85 dB alarm and flashing LED indicator. 4. Premium Quality for Safety: Complies with UL1484 safety standard, can be used with greater confidence. Reduce the potential gas explosion risky and keep family numbers and poverty safety. Specification: The independent gas and carbon monoxide gas composite alarm is controlled by a microprocessor and characterized by stable operation, sensitive response, small size, and simple installation, which can be used in places where carbon monoxide(gas) may leak, to avoid dangerous accidents and ensure personal and property safety. Features: Protect Your Family: This gas detector will have voice warning once it smells the gas leak, fast alarm and you can do something that avoids to happen explosion and fire, It's enough to protect the safety of family and property. Easy to Install: Our gas alarm adapts excellent industrial design and leaves 2nd outlet uninterrupted for other devices. Just plug in, and ready for monitoring potential gas leak risky after warm up process. Digital Display & Voice Warning: The natural gas detector quickly and accurately detects gas leak to give you the earliest possible warning of gas leak with 85 dB alarm and flashing LED indicator. Premium Quality for Safety: Complies with UL1484 safety standard, can be used with greater confidence. Reduce the potential gas explosion risky and keep family numbers and poverty safety. Multi-Gas Detection: Detects multi combustible gases such as propane, methane, natural gas, coal gas, gasoline, LPG, LNG, etc. Specifications: Model: KH888 Material: ABS Power Supply Mode: AC110V~AC220V Alarm Current: 85dB Execution Standard: GB15322.5-2003 Operating Instruction: the green indicator is always on Carbon Monoxide: The alarm will sound within 60~90 min when the concentration display value is 50PPM; The alarm will sound within 10~40 min when the concentration display value is 100PPM; The alarm will sound within 1 min when the concentration display value is ≥200PPM; Item Size: 110 * 70 * 60mm / 4.33 * 2.75 * 2.36in Item Weight: 92g / 3.24oz Package Weight: 113g / 3.98oz Package Size: 11 * 7.3 * 6.8cm / 4.33 * 2.87 * 2.67in Package List: 1 * Natural Gas Detector 1 * User Manual (English) Package List: Package List: 1 * Natural Gas Detector 1 * User Manual (English)