When should I introduce the e-collar in training?

Introduce the e-collar after manually teaching your dog the command on a leash first. The e-collar is meant to reinforce commands, not to teach them from scratch. Our included training manual will walk you through this step by step.

At what age can I introduce the e-collar to my puppy?

Training with the e-collar can start when your puppy shows they reliably understand commands but is choosing to not listen. This varies, but typically happens around six months. Keep sessions short and fun, always ending on a positive note.

Are e- collars safe for my dog?

Yes, when used properly, the static setting on a quality e-collar is a safe and effective way to reinforce commands. It's comparable to feeling a static shock after rubbing your socks on carpet. Most people can barely feel the lower levels.

What level should I use to train my dog with?

It’s important to use the lowest effective level when training. Your dog should never jump or vocalize. Look for a slight head turn or ear twitch to know your dog feels the correction. This level will vary depending on the level of distraction.

Can I change the settings on the FieldTrainer 425X?

Out of box, this system will deliver tone when the dial is on V/T & low, medium, and high levels of static for each number on the dial. The button functions can be easily adjusted if you’d prefer to train with vibrate or need to train multiple dogs.

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🐕‍🦺 Train smarter, not harder — stay ahead with SportDOG’s ultimate remote collar!

FITS EVERY ACTIVE PUP - Adjustable collar fits dogs 8 lbs+ with neck sizes from 5" to 22", perfect for all breeds.
SEAMLESS SYSTEM EXPANSION - Add or replace collars effortlessly to train multiple dogs with one trusted system.
ULTIMATE WATERPROOF DURABILITY - DryTek technology ensures reliable performance even underwater up to 25 feet.
EXPERT SUPPORT WHEN YOU NEED IT - Detailed guides plus a dedicated Customer Care Center keep you confidently in control.
RAPID RECHARGE LONG LASTING POWER - Get back to training fast with a 2-hour quick charge and low battery alerts.

The SportDOG FieldTrainer 425X/SportHunter 825 Shock Collar Receiver is a waterproof, rechargeable collar designed to expand or replace your existing remote training system. Compatible with multiple SportDOG models, it fits dogs 8 pounds and up, features a quick 2-hour lithium-ion battery recharge, and offers reliable underwater performance up to 25 feet. Backed by comprehensive support, it’s engineered for professional-grade dog training anytime, anywhere.

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Product Dimensions	15.24 x 7.62 x 0.25 cm; 317.51 g
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	SDR-AXF
Breed Recommendation	All Breed Sizes
Pet Life Stage	All Life Stages
Allergen Information	Gluten Free
Closure	Buckle
Color	Orange
Number of Items	1
Quantity	1
Specific Uses	Active, Behavior, Indoor, Outdoor
batteries required	Yes
Batteries Included	Yes
Item Weight	318 g

SportDOG Brand FieldTrainer 425X/SportHunter 825 Shock Collar - Additional, Replacement, or Extra Collar for Your Remote Trainer - Waterproof and Rechargeable with Tone, Vibration, and Shock

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