Overview:<br />The detector with special structure design is suitable for detecting the smoke in house， shop， hotel， restaurant， office building， school， bank，library， computer house and storehouse etc.<br /><br />Features:<br />* Excellent stability.<br />* High sensitivity.<br />* Alarm test button for easy testing.<br />* Low battery indicator.<br />* Alarm Indication: Alarms come out after LED flashes for about 11 seconds.<br />* Designed for the fastest possible installation.<br />* When burning particles are detected， this detector will release clear and crisp pulsating alarms until the air is fresh.<br /><br />Specifications:<br />Power Supply: 9V Alkaline battery (Thebatterynotincluded) Carbon-zinc battery<br />Standby Current: &le;10uA<br />Working Current: &le;15mA<br />Sensitivity of Smoke: ?grade<br />Emission Frequency: 433MHz<br />Emission Distance: open &gt;=120m/393ft<br />Work temperature: -10쮀 - +50쮀<br />Interface Temperature of Air: 10%-90%<br />Alarming sound: &gt;=75dB<br />Reference Standard: EN14604-2005<br />Battery life: at least 1 year<br />Item Weight: Approx. 131g/4.64oz<br />Item Size: Approx. 11.4 * 4.3 * 11.4cm / 4.49 * 1.57 * 4.49in( L * W * H )<br />Total Weight: Approx. 173g/6.10oz<br />Package Size: Approx. 12.2 * 5.6 * 12.3cm / 4.76 * 2.91 * 9.84in( L * W * H)<br /><br />Package List:<br />1 * Smoke Detector<br />1 * Accessory Bag<br />1 * User manual<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-6-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-5-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-3-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-4-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-10-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-7-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-8-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-2-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-12-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-1-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-9-9ad0.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/S/S491/S491-13-9ad0.jpg" /><br>