Garmin Lithium Ion Battery for TT-15 Mini and T-5 Mini Doors WIRE CHECK - automatically compensates

WIRE CHECK - automatically compensates for wire problems and adjusts the amount of signal power to ensure the fence boundary remains in a constant location (no system can continue to function if the boundary wire has been completely cut)

3-in-1 scratcher shapes

Covers up to 1/3 acre with included boundary wire and expandable up to 25 acres with additional wire (not included)

turn unit off by releasing handles

We feel that Vibration is a more effective alternative because your dog is the only dog that will feel the vibration (other dogs can hear your dog's tone and your dog may hear another dog's tone command

Garmin Lithium Ion Battery for TT-15 Mini and T-5 Mini Doors WIRE CHECK - automatically compensatesThis long lasting rechargeable battery lasts about 16 30 hours per charge. Features: Bring an extra battery to extend the life of your device Compatible with TT 15 Mini and T 5 Mini dog device