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Features
- Model : WSD811
- Smoke sensitivity : 0.2-0.6DB/M
- Model : WSD811
- Frequency : 868MHZ
- Smoke sensitivity : 0.2-0.6DB/M
- Alarm decibel : 1 meter distance> 85 decibels
- Working power : 3.7V
- Battery : Lithium battery 3.7V 800mAh
- Charging input voltage : <5.2V , full of time：<3 hours, recharging current：<400mA
- Low battery warning : <3.1V
- Standby current : <20uA , Emission current:<30mA
- Working environment : temperature 0-50 °, relative humidity <97%
- Launch distance : indoor >30M, outdoor >90M
- Dimensions (mm) : 108x32.5
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