Sell Daytech 10-year battery life, Wireless smoke sensor Fire Smart alarm (SM15) best price

【packing list】 3 * Smoke detector 【notes】 The alarm panel cannot be used for this project. 【product description】 The stand-alone photoelectric smoke detector adopts a high-performance, ultra-low power intelligent microprocessor, combined with a sophisticated photoelectric sensor, which can independently process the smoke concentration. Low power consumption, stable performance, beautiful and durable shell. The detector is widely used in Internet cafes, dance halls, coffee shops, leisure rooms, residences, schools, etc. 【Main Features】 • Beautiful appearance is simple and advanced, suitable for residential and commercial applications •Dust-proof, insect-proof and light-proof design • Excellent detection sensitivity, MCU processing, eliminating false alarms • The battery life is more than 10 years (depending on the battery type), and the battery is easy to replace • Once a fire is sensed, it will make a sound and flash (smoke, low battery) • Loud (85db) alarm sound at 3m (10ft) • Simple wall or ceiling installation with bracket 【product manual】 ●Press and hold the test button, the product enters the test failure state. When the red light flashes, the buzzer sounds and the operation mode is the same as that of alanine. This is normal work: when the red light sounds once every 8 seconds, the "DI" audible alarm sounds. ●Alarm red LED indicator light will flash The buzzer will sound "DI DI DI" alarm soon. ●Mute the alarm, press the button to turn off the buzzer, the red LED flashes once every 9 seconds. The silence time is about 9 minutes, and it will return to the alarm state. ●Low voltage alarm When the voltage is lower than 2.7V, a short "Dl" sound alarm will be issued, and the red LED will flash once every 50S. ●The normal working red LED flashes once every 50 seconds 【specification】 • Working voltage: 9V battery (6F22 carbon battery) • Quiescent current: <20uA •Alarm current: <40mA •Battery life: about 10 years for carbon batteries •Alarm indication: red LED flashes •Alarm sound: ≥85dB/ 3m •Size: Φ128x35mm •Detection area: 25m2 when the installation height is 6-12m • Sensitivity: 1.8%ft±0.8%ft • Installation method: ceiling installation •Working environment: -10°C~+50°C, (≤95%RH non-condensing) #DAYTECH #smokedetector #detector #Sensor #smokesensor #firedetector #firesensor #alarm #firewarning #firealarm #homesecurity #wirelessdetector #wirelesssensor #wireless