Product Application: PD132 loop detector used for wherever vehicles have to be detected,Monitoring and safe-guarding access ways or for counting vehicles. Output signal can be used for controlling door and gate drive mechanisms, operating barriers, controlling traffic light systems or activating card dispensers in parking lots. Uses advanced microprocessor technology and can work in diverse environments. Has two way output relays: one is unlimited output when loop is permanently covered and while the other is multiple mode that can be set by users. Operating voltage 220V AC 10% Power Consumption: 5VA Output relays: 240V/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. perfect is 150H Loop connection wiring: Maximum length 200 meters, twisted at least 20 times per meter Autocorrecting time: 1to 2seconds Operating temperature: -20C to +65C Storage temperature: -40C to +85C Color: Black Material: plastic Package Contents: 1 x Car Parking Loop Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.