Magnetic Loop for Vehicle Detection in 13.12 ft (4 m) Car Barriers
- Brand / Vendor: ACCESSPRO
- Hardware Model / MPN: SYS-LM4
- Deal Status: ⚡ Special Deal (20% OFF)
- Condition: 100% Brand New, Factory-Sealed Commercial Gear
- Category: Access Control
- Fulfillment Origin: Dispatches from Texas & Florida distribution hubs
- Binational Availability: Commercial procurement ready for USA and Mexico
The SYSLM4 magnetic loop, together with metal mass detector model FJCD621, is a security device that prevents the barrier arm from going down if a vehicle is beneath it. It also sends the order to close the barrier once the vehicle has passed.
Note: The SYSLM6, SYSLM4 loops, and the FJCD621 detector are designed for applications with standard vehicles and vans. For applications with trailers, trucks, and similar, please contact our Engineering Department.
• Free Ground Shipping: Automatically applied to all orders of $500.00 USD and above across the 48 Contiguous United States.
• Same-Day Dispatch: Orders placed before 2:00 PM CST (Mon–Fri) dispatch the same business day from our Texas & Florida distribution hubs.
• Carrier & Transit: UPS Ground / FedEx Ground (typically 2–5 business days).
• 100% Genuine Gear: Brand new, factory-sealed hardware directly sourced via authorized manufacturer channels.
• Full Factory Warranty: Covered by standard manufacturer warranty and RMA replacement support.
• 30-Day Hassle-Free Returns: Unopened and factory-sealed equipment eligible for return within 30 days of delivery.


