Professional Wulian Wireless Smoke Detector Fire Alarm Sensor COZ Monitor for Indoor Home Security   <br /><br />Main Features:<br />? Photoelectric sensor is particularly sensitive at detecting slowly developing fires and also provides timely detection of fast， flaming fires<br />? Two installation ways: Ceiling / wall mounting Type<br />? Designed for the fastest possible installation<br />? This small smoke detector will alert and warn people stay far away from danger field when it detected smoke<br />? This smoke alarm also provides timely detection of fast， flaming fires that consume combustible materials rapidly and spread quickly， such as those caused by flammable liquids or paper burning in a waste container<br />? The LED indicator on this smoke alarm flashes every 10 seconds in the standby condition<br />? Equipped with a CR2 battery， this smoke alarm boasts a remarkable lifetime of up to 10 years in the standby condition<br />? The detector is suitable for detect the smoke in house， shop， hotel， restaurant， office building， school， bank， library， computer house， storehouse， dormitory， etc.<br />? We recommend that the alarm should be located between sleeping areas and potential sources of fires such as living rooms and kitchens<br />Notes: You are supposed to using Wulian gateway when using the smoke detector， single product cannot work out<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />  Brand: Wulian                                                  <br />                        Working Temperature: -10 - 55 degree                                                  <br />                        Power: 1W                                                 <br />Dimension and Weight<br />  Product Weight: 0.120 kg                                                  <br />                        Package Weight: 0.200 kg                                                  <br />                        Package Size ( L x W x H ): 18 x 8 x 8 cm / 7.07 x 3.14 x 3.14 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Smoke Detector， 1 x CR2 Battery， 1 x Ceiling Type Base， 1 x Wall Mounting Type Base， 2 x Screw                                                 <br /><br /><br /><br />                                                <br />