For the future, we will seize the opportunity to innovate our own products and accelerate the process of internationalization to achieve economies of scale and leap-forward development and to become a leader in China security with international competitiveness and international reputation.
Battery Powered Photoelectric Smoke Alarm with excellent stability and high-sensitivity. Key Specifications/Special Features Power Source: 9V Battery (not included). Audio Alarm: ≥ 85dB/3m Temperature Range: 0℃ to 40℃ Humidity Range: 5%-95% relative humidity(RH) Sensor: ...