Detailed Product Description Operating Voltage: DC20V~DC28V Alarm current: 36mA Weight: 158g Delivery time:swift Features 1) Transnormal thin design for thickness , just 38mm.2) Adopt SMT technology, firmly, high secure and antijamming.3) Special methods for damp-proof, antisepsis and mildew-proof. 4) Flame retardant thermoplastic5) Easy plug-in of the head to base6) SEMS screws for easy wiring7) ...
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