1) wireless siren 2) strobe siren 3) alarm siren 4) wireless 5) used with all alarm keypad

wireless siren main features:

1) wireless siren , open distance 100m to the alarm host2) flash light  when alarm3) 110V-240VAC input 

4) wireless emitter can be connected to all kinds of keypad5) alarm sound level more than 80db

6) size: 16cm*8cm*4cm

7)weight: 0.2kg

8)wireless frequency: 315/433M

wireless flash siren (indoor use)