Unique Bargains Home Security System Wireless 110dB Alarm Speaker w Emitter DC 12V 220mA Item Sku:
FXHJZG47651210 Click / hover / scroll for larger images SKUWMT47651210
Connect the eimmter to the main engine, then charge the alarm speaker, the alarm can be mounted any where between 100 meters(without interference) with the main engine without direct connection. When the main engine accept the alarm signal, the eimmter will transfer the signal to the alarm speaker then alarm. Easy to install, you can install it in conceal place. The sound is very clear and loudly enough, great to use to scare the thief. Both great to install in indoor or outdoor.