Available now: Brand new and original Siemens Intelligent Photoelectric Smoke Detectors (Model: Siemens OP921). Delivery & Shipping: Hand-to-hand pickup available in Riyadh, or shipping to all regions across Saudi Arabia via available couriers. For orders and inquiries regarding quantities, please contact via private message or : ( Phone number appears when clicking the contact button ) Siemens smoke detector, Siemens fire alarm, Siemens OP921, fire safety system, Siemens addressable detector, fire alarm parts KSA, Haraj Siemens. #Siemens #SmokeDetector #FireAlarm #FireSafety #Haraj #KSA #BrandNew