Haz says: I love how small and low profile this collar is. Whether in single or double configuration the ARC is probably the lowest profile collar on the market that does not sacrifice performance or a reasonable price price point. Pictures do not do justice to how small this unit is.

Newly updated Dogtra ARC HANDSFREE PLUS expandable slim ecollar now with Boost & Safety Level Lock. Train with the convenient HANDSFREE SQUARE, which allows dog owners to easily train without having to reach for the remote. This lightweight complete waterproof expandable remote training e-collar system is ideal for training small, medium and large dogs 15 pounds and up. ARC HANDSFREE PLUS E-Collar Features: Expandable E-Collar up to 2-Dogs HANDSFREE Dog Training Square Bluetooth Technology Training Functions: Nick, Continuous, Vibration & Boost-NEW! Safety Level Lock-NEW! 127 Level Medium Output for Small, Medium & Large Dogs 15 lbs+ ¾ Mile Long Range Dog Remote Collar Training Slim Lightweight Ergonomic Curved Collar Fully Waterproof E-Collar IPX9K System Handsfree Training Square: Dog owners can now train without having to reach down for their remote. Each training square can be paired to different functions: Nick, Continuous, Vibration & BOOST Pair up to 14 TRAINING SQUARES to your remote Square must be 33 feet of the remote to operate The ¾-mile range ARC HANDSFREE PLUS is slim lightweight IPX9K waterproof remote collar making it durable and reliable for demanding training conditions. The system also offers 127 Nick/Constant stimulation levels for precise control and a Pager vibration, making it the perfect tool for your training.

FEATURES
Customized Boosted Constant Stimulation
Safety Stimulation Level Lock
Now Expandable up to 2-Dogs
HANDSFREE SQUARE for Remote Control
Expandable up to 14 HANDSFREE SQUARES
3/4-Mile Range
IPX9K Waterproof Certified
Medium Output Receiver
127 Stimulation Levels/Rheostat Dial/LCD Screen
Nick/Constant Stimulation & Pager Vibration
For Dogs 15 Pounds and Larger