Starmark Dog Pro Training Collar Size:10.2" x 4.9" x 1" The dog device comes with

The dog device comes with 2 lengths of removable

Receiver collar dimensions: 38 x 68 x 43 mm (1

The SmartDoor can detect up to five programmed SmartKeys and also operates in two other modes: fully locked mode and unlocked mode

Contains Rechargeable lithium-ion batteries

Starmark Dog Pro Training Collar Size:10.2" x 4.9" x 1" The dog device comes withPronged, linked design is gentle but effective in enforcing pack leadership. Helps prevent pulling and lunging behavior. Has appearance of a flat collar. Linked 'watch band' design allows for sizing adjustments. Features: Quick release snap! Gentle and effective Create a perfect fit Size: Small Fits up to 15 inch neck Item Details: Dimensions: 8. 5" x 3. 6" x 0. 75" Size: Large Fits up to 21 inch neck Item Details: Dimensions: 10. 2" x 4. 9" x 1"