Usage:Commodity Article Anti-theft Center Frequency:4.75 6.7 8.2 10.00MHz Optional Working Frequency:150 160 170 180Hz Working Mode:Transmitter Antenna+ Receiver Antenna Color:Black White Material:Acrylic Anti-interference:Grade 1 Working Voltage:24V DC Dimension:156*30*13.5cm N.W.:16KG Warranty:3 Years