brand new and high quality Features: Pass CE, FCC, ROHS, IP55 Certified. The all-weather integrated structure of fully sealed rainproof (fog), dustproof (worm) and so on makes it work in harsh environments. Unique digital filter circuit design with high level of RFI/EMI resistance. Adjustable beam occlusion period makes it more flexible and adaptable. Easy to use. Widely used in gates, automatic doors, doors and for windows, etc. Detector Alarm only, other accessories demo in the picture are not included! Specification: Material: ABS+PC Working Voltage: DC12-24V Outdoor Warning Distance: 10m/ 32.81ft Indoor Warning Distance: 20m/ 65.62ft Induction Speed: 30m/s Contact Capacity: AV/for DC 30V/0.5mA Color: Black Dimension: 8x5x3cm/ 3.15x1.97x1.18in Quantity: 1 Set Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Transmitter 1 Pc x Receiver 1 Set x Accessories