Smoke alarm sensor
Power Source : 9VDC battery
The specialty installs the wiring type
Q: How to confirm the sensors model ?
A. The buyer need to provide the below information :
Voltage NPN/PNP NO/NC/NO+NC Detected object Detected distance
Q: How to adjust the distance of the photoelectric switch ?
A. Clockwise make the detected distance increase and anti-clockwise decrease
Q: If i want to release order, what's the process?
A: Thanks. You can send inquiry to us by Maoyt or send us by email, we will reply within 24hrs.