***** **********Best Quality Guranteed.
*****Attention: can't program with other control panel directly as a standalone siren, can't work alone, only work with accessory, please set the same sensor to both control panel and siren, then when alarm is triggered, they will alarm together. We offer the upgraded version siren host from Nov, 2019; different from old one is tone, more louder up to 115db, PLEASE
NOTE an important tips: have to trigger the sensors within 2 seconds during the operation, or need pug in/out again into setting status.
*****Use: You will hear a Bi sound onces siren is plugged in, which means it is powered in. programing with accessory is by plugging/unplugging the siren in 3/5/7 times. It is a single siren, please program it with your existing sensors before use. For more details, please refer to video on youtube with " Standalone Alarm
System Operation Guide"*****Design: 115DB loud, Weather proof ABS plastic material allows you to mount the siren outdoors, just need to pay a