Features:<br />Microprocessor control<br />With manual test / reset function， detect smoke & carbon monoxide， mute function， low compensation， temperature compensation， low battery indication， anti-RFI， dust-proof， pest control， anti-white light interference<br />MCU processing， test & hush button<br />Electrochemical CO Sensor， can be mounted on wall or ceiling <br />Battery compartment on the top， easy to replace<br />Low battery warning， tamper resistant pins for batteries<br />Auto reset after CO clears， Auto check malfunction<br />Shockproof design， suitable for vehicle use<br /><br /><br />Technical parameters:<br />Operating Voltage: DC 3V (2 x AA batteries， not included)<br />Standby current: ≤10uA<br />Alarm current: ≤35mA<br />Alarm carbon monoxide concentration: 150PPM<br />Smoke detector sensitivity: 0.2dB / m<br />Alarm sound pressure: ≥85dB<br />Alarm output: sound & flash alarm<br />Product size: Φ114 * 43mm<br />Material: ABS<br />Color: White<br /><br />1 x Detector<br />2 x Screw<br />2 x Bolt<br />1 x English User Manual<br />In Color Box<br /><img src="http://img6.eachbuyer.com/x9/p100/cb417_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb417_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb417_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb417_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb417_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb417_6.jpg" />