5 Active Containment System Add-On Dog Collar Receivers This feature auto-activates every 2

This feature auto-activates every 2 hours to ensure you know as soon as your battery has become low

based on each dog's individual need

you can rest assured that no uninvited guests are going to have access to your home because of your pet door

Perhaps you have to work extended hours one day

IP67 Waterproof

5 Active Containment System Add-On Dog Collar Receivers This feature auto-activates every 2*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