AURORA Vehicle Carbon Monoxide Alarm(Vehicle CO Alarm) Carbon monoxide, known by the chemical formula "CO", is a poisonous gas that kills thousand people every year. we can't hear, taste, see or smell it. It's nicknamed the "silent killer' because it sneaks up on its victims and can take lives without warning. AURORA Vehicle CO alarms are designed to detect elevated levels of CO in a vehicle and sound an alarm to alert you and your friends or family of a potential poisoning risk. Our company provide various CO alarms in different dimensions and shapes, we also provide CO alarm modules without packing. Furthermore, we can design and manufactory CO alarm in special dimensions and shapes on user's request. Features 12DC Loud 85DB alarm CO Sensor: electrochemical Low consumption ( Easy battery change and easy installation Test button-- checks horn and alarm circuitry red LED-power and alarm indicator Technical Specifications Power Supply 9V Battery or 12VDC Standby Current Alarm concentration 150+/-ppm CO Low Voltage alarm 7.5V Design Standard CE, CJ3057 Operating Temperature -10~50C Humidity 5%~99%,non-condensing Applications Vehicle Carbon Monoxide Alarms(Vehicle CO Alarms) are widely used in various vehicles. Designs & Projects If users need CO alarms in special dimensions and shapes, we can design and manufactory them, please order for those..