Hello i have a tuya alarm from bangood and i bought this siren separately https://m.banggood.com/RF433-Solar-Powered-Infrared-Alarm-IP65-Waterproof-120dB-High-Sound-PIR-Human-Detection-Night-Vision-Outdoors-Alarm-Light-p-1989266.html?rmmds=orderdetail Problem is it seems i paired everything...