Wireless Fire Sensor Protection Smoke Detector Home Security Alarm Systems

Type:Smoke DetectorFeatures:1. Manual test automatic reset2. Wireless transmission of alarm signals3. Networked output / LED indicator alarm4. Ultra-thin structural design5. Strong environmental adaptability6. SMT process manufacturing strong stability7. Dustproof insect proof and anti-white light interference8. Photoelectric smoke detector (wireless type) can be used alone or with an alarmTechnical Parameters:Wireless frequency: 433MHZ / 315mhzPower: 9V alkaline battery (can be used for 1-2 years) (with battery)Chip: Imported 2262IC Aurora resistance 1.5M 3.3M 4.7MWireless outdoor distance is greater than 200mAlarm sound: 3m distance is greater than or equal to 95dB