Brand new-in the box pet fencing system. Easy to install and comes with instruction video and booklet. Never used. 5 years old purchased from Petco in Reno. Also have extra extension kit for expanding your dogs boundaries(new in the box)Can be used for 1/2 to 1 acre per kit. Paid 300.00 for whole system and expansion kit. Price reduced ...Asking 75.00 for whole kit & expansion. Please call 775-777-3113 or Text 775-340-7472.