Connecting the working voltage DC 12V,the manual call point is in the normal working state while the green led flashes;When press the plastic panel,the red led stay on ,it is in the alarm state.The switch is NO in the normal state and it is NC in the alarm state.
1.Rated voltage: 12-24VDC
2.Standby current: ≤330uA(DC12V)
3.Alarm Current:≤17.5mA (DC12V)
4.Power Indicator:Green LED
5.Alarm Indicator: Red LED
6.NO/NC:Optional
7.Working temperature: -10℃~+55℃ max 95%
8.Product size:86*86*60mm
9.Color Available: Red, Yellow, Green, Blue and White
10.MADE IN CHINA
Wireless Magnetic Reed Switch – LS-321-F1 
