wireless smoke detector is easy installation and maintenance   Wireless smoke alarm With Hush Feature 4x1.5V battery-operated Low battery alert CE, RoHS, NF,VDS, BS EN14604 Approved  

JB-S508 wireless smoke alarm 

Main Features

1. Photoelectric technology2. Loud 85dB amarm signaL in 3 metre3. Build-in signal transmitter & receiver,wireless interconnection by RF4. Sensitivity adjustable by 3-level5. HUSH Feature to quickly silence nuisance alarms6. Smoke chamber self-inspection function7. Test button to verify battery and alarm operation8. Low battery warning9. Alarm/Power/Mulfunction Indicator10. Five-year limited warrantySpecifications

7. Wireless Frequency: 433.92MHz, 315MHz

8. In-room Wireless Range: 35m (115ft)  7. Temperature: 0°C - 50°C    8. Humidity: 10%-90%RH, no condensation or icing9. Dimensions (L x W x H):  Ø126x47 mm 

1. Smoke Sensitivity: 0.060 dB/m to 0.14 dB/m    2. Power Supply: 4x1.5V Batttery 3. Battery Life: >12months    4. Low battery life: >30days    5. Alarm indicator: continuously emitting red light and shounder          6. Alarm sound level: >85dB at 10 feet (3m)  

 

wireless smoke detector, interconnection by RF,photoelectric technology,wireless security system