الوصف

General DG**1 AC/DC Powered Photoelectric Smoke Alarm with excellent stability and high-sensitivity by Advanced MCU Expert Algorithm Software. Key Specifications/Special Features Advanced MCU Expert Algorithm Software to prevent the most smoke alarm fault. Power Source: **0VACto **0VAC, Battery backup (included). Audio Alarm: ≥ *5dB/3m Temperature Range: 0℃ to *0℃ Humidity Range: 5%**5% relative humidity(RH) Sensor: Photoelectric Size: diameter **5mm in diameter x*9mm depth Easy to install with mounting base included Suitable for any room Low battery signal Test for simple testing