High Tech Pet Humane Contain X-10 Rechargeable Multi-function Electronic Dog Fence The most advanced electronic fence technology for highly humane and extremely reliable operation Uses proprietary technology to automatically adjust stimulus intensity based on distance from boundary, keeping pet contained without overstimulation Rechargeable waterproof collar also controls High Tech Pet Power Pet doors, Sound Barrier and Yard Barrier systems and Radio Mat pet deterrent kits Waterproof, outdoor mountable transmitter features illuminated status panel, wire break alarms, power boost switch and variable field width control Includes TX-1 transmitter, RX-10 multi-function collar and charger, 500-feet wire, 50 flags, 5 wire splices and AC adapters for transmitter