offer LX-504 alarm button

1. Voltage range: 9-24VDC 2. Static current: 10mA 3. Alarm current: 20mA 4. Working temp: -5 65 5. Working humidity: 10-90RH 6. Installation environment: indoor or dry occasion 7. Product size: 10.4x9.2x5.6cm 8. LED indicator in no-alarm state,green indicator flashing,when alarming red indicator shining.