UltraLight Receiver with adjustable collar Manual and video CD included Transmitter Specs: Height: 4.75" Width: 4.25" Depth: 2.10" Frequency: 10.65 kHz Standard, 7kHz alternative available Flip up front cover Dark gray in color Two red indicator lights (loop and power) Wire break alarm Two Boundary Wire terminals Boundary Width Control Knob ABC Boundary Control Switch Adapter: Model number: RFA-14 (12v A/C, 830 ma) Receiver Collar Specs: Height: .75" Width: 2" Depth: .75" Weight: 1.5 oz Uses 6-volt (RFA-67) Battery Waterproof Interchangeable Contact Points (Long and Short) Concave inside surface (side facing throat) Curved washers to match concave surface 30 second safety timeout General Info: Will transmit up to 10 acres or 2,800 feet of wire Boundary Control Switch Settings: A= Greater than 2,400, B= up to 1,300, C= 1,300-2,400 feet One level of correction Should be installed in a dry and protected environment Boundary wire must be copper and must be insulated Can easily use 14-20 gauge wire Boundary Width is 20% Warning Zone and 80% Static Correction Zone