portable gas leak alarm for car

DescriptionBX166 series gas detector is specially used for detecting combustible gas leakage. With high-sensitivity and reliable catalytic gas sensor, it is suitable to home, industrial and other environment with methane and propane combustible gas. The detector has the visual and audible indication for fault, low battery and alarm. It has fashionable appearance, easy to carry and operate.. FeaturesØ Auto zero calibration Ø Fast response and resume Ø Easy to operate Ø Variety sound for different status Ø With small zero drift and large range of operating temperature . SpecificationsGas detected: natural gas (methane), LPG (propane, butane) etc. combustible gas. Range: 0100%LEL Sampling: Natural diffusion Operating temperature: -2055 Operating humidity: 95%RH Operating voltage: DC3V (two 1.5V AA battery) Operating current: 139mA Low alarm: (20±5) %LEL High alarm: (50±10) %LEL Response time: <5s Alarm method: Visual and audible alarm Sound: ≥65dB Notices:6.1 Avoid falling it from high place or serious shock. 6.2 Low voltage may affect the sensitivity. Please replace the batteries once the voltage is low. 6.3 Please activate the product in clean air. If the detector is activated in the environment above 30%LEL, the detector may indicate sensor fault. You need to reactivate the detector in clean air. 6.4 Please operate it according to the above instruction. 6.5 Dont store the detector in the environment with causticity gas. 6.6 Dont put outside force on the Ex net to avoid distortion.