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Name: Wireless Sound Big Horn with Adapter
Model: PST-WS105
Installation: wall-mounted;
◆Power: DC12V;
◆Sound level:115-120dB;
◆Material: ABS&Metal; 
Rated current: 350mA;
◆Wireless transmission connector: Φ3.5mm;
◆Open distance: 50-100M;
◆Wireless freq: 433Mhz or 315Mhz;

◆315Mhz siren for 433Mhz alarm;
◆433Mhz siren for 315Mhz alarm;
User Manual
Youtube Video
PST-WS105 Specifications
Name Wireless Sound Big Horn with Adapter
Model PST-WS105
Color White
Material ABS&Metal
Power Supply DC12V
Sound level 120dB
Wireless frequency 315MHz
Wireless transmission range 50-100meters(Open area)
Wireless transmission connector Φ3.5mm
Rated current 350mA
Operation Temp. –10°C to +50°C
Humidity 5%--95% non-condensing
Installation Wall-mounted
Dimension 15*15*17cm
Weight 800g
PST-WS105 Package List
315MHz Wireless Siren for 433MHz system x1
Transmitter x1
Adapter x1