5 Active Containment System Add-On Dog Collar Receivers Their goal is to instill

Their goal is to instill trust between the buyer and the marketplace

Entry / Flap = 6 5/8" Wide x 9 1/2" High

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Fits with a variety of brands

based on each dog's individual need

5 Active Containment System Add-On Dog Collar Receivers Their goal is to instill*Wall Transmitter not included. 8 Correction Levels 00 = Tone Only Mode (for Training) 01 = "Extra Low" Statically Set Correction Level 02 = "Low" Statically Set Correction Level 03 = "Medium" Statically Set Correction Level 04 = "Medium High" Statically Set Correction Level 05 = "High" Statically Set Correction Level 06 = Low Progressive Correction Level (1, 2, 3) 07 = High Progressive Correction Level (3, 4, 5) 100% Waterproof This collar is not