Plaza notes
Hard ruleDescription
Wireless Smoke Detector – Battery Operated Fire Alarm Sensor for Home Safety Musical Instruments Frequency Response Range: 20 Frequency Response Range: 20 20000Hz 30–31 yards inner length is about 19CM (no elastic) Working Voltage: 9V carbon or alkaline battery (battery not included)Quiet Current: ≤10μAAlarm Current: ≤35mASmoke Sensitivity: Level 2Alarm Sound: >80dBTransmission Frequency: 433MHzTransmission Distance: ≥100m (open area)Working Temperature: 10°C to 50°CWorking Humidity: 10%–90% RH
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
Frequently Asked Questions for Wireless Smoke Detector – Battery Operated Fire Alarm Sensor for Home Safety Musical Instruments Frequency Response Range: 20 -
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