Car Access Control Dual Channel Sensor/safety Loop Detectors For Gate Barrier. Features: Operating Voltage 12/24V DCAC ±10% Power Consumption: 5VA Output Relays: 12/24V/5A AC Frequency Range: 20 KHz to 170 KHz Reaction Time: 10ms Signal Holding Time: Unlimited / Limited when Loop is Permanently Covered 10 Minutes Sensitivity: Adjustable in 8 Increments Wiring: 50H and 300H. Ideal is 150H Loop Connection Wiring: Maximum Length 200 Meters, Twisted at Least 20 Times Per Meter Autocorrecting Time: 1to 2seconds Operating Temperature: -20°C to +65°C Storage Temperature: -40°C to +85°C Dimensions (include Pedestal ): 78x40x108 Mm (L X W X H) Net Weight Include Pedestal: 265g Specifications: Model Number: PD-232(12/24V) Detection Channel: Double (2) Channel Input Power: DCAC 12/24/110/220V Order Mark Tuning: Fully Automatic Self-tuning Range: 50 to 1000uH Sensitivity: 4 Steps Switch Adjustable Frequency: 4 Steps Switch Adjustable Power Requirements: 12/24 DCAC ± 15% Output Interface: Two Relay . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.