Features: High quality gas detecting alarm sensor, sensitive in detecting gas, natural gas, liquefied petroleum gas leakage. 85dB alarm volume and light indicator to make your know and escape the danger easily. Sensitive and effective alarm function to decrease the phenomenon of false alarm. Made of premium materials with solid condition, it is durable in use. Easy to install and operate. Enhance home kitchen security. Low power consumption sensor, energy-saving. Specifications: Condition: Brand New Material: Plastic Shell Color: As Picture Shown Operating Voltage: 12V Static Current: 70MA Alarm Current: 150MA Alarm Gas Density: 10% LEL Operating Environment: -10~50 Indicating Light: Green for Normal Operating, Red for Warning/Alarming, Yellow for Error Wire Method: '+' connects with positivepole, '-' connects with negative pole, NO connectswith normal on, COM connects with common terminal and NC connects with normalclose. (This gas alarming detector is often used with DC 12V battery poweredalarm unit) Installing Mode: Ceiling Mounted Application Scope: Gas, Natural Gas, Liquefied Petroleum Gas Size: Approx.115 * 51mm / 4.52'' * 2'' Package Included: 1 * Gas Detector Notes: Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.