New for 2025

Effortlessly control and gain total attention with the 640X, the new generation of the trusted 640C e-collar. Its intuitive design and front-and-center command button ensure you never miss a teaching moment. With tone, vibration, and BOOST for faster recall and focus, the 640X also includes an easy-to-spot e-collar light and level lock for safety. Fully waterproof and drop-proof, it’s perfect for any adventure.

 FEATURES

• One Handed Control
• Central Command Button
• LED E-Collar Light
• Audible Tone
• 3-Dog Expandable
• Boost & Level Lock
• Durable Double Remote Casing
• Nick, Continuous & XPP Vibration
• 600 Meter Range
• 100 Medium Output Levels
• IPX9K Waterproof
• Compatible with Dogtra’s HANDSFREE SQUARE (sold separately)

SPECIFICATIONS

• Receiver Weight: 68 g
• Receiver Dimensions: 5.1 cm × 3.8 cm × 3.0 cm
• Transmitter Weight: 148 g
• Transmitter Dimensions: 10 cm × 5.3 cm × 3.3 cm
• Minimum Dog Weight:  5 kg
• Disclaimer: Do not attach a leash to the e-collar strap.

Characteristics

• Li-Po Batteries (2-3Hour Rapid Charge) 
• Audible Tone 
• For dogs as small as 5 kg 
• IPX9K Fully waterproof Receiver 
• IPX9K Fully waterproof Transmitter 
• Expandable transmitter for up to 3 dogs 
• Compatible with the handsfree square 
• Durable transmitter casing 
• LED Light on the receiver 
• Non-Stimulating High Performance Pager 
• Up to 600 meters 
• LCD Screen 
• Rheostat/Volume Dial with Stimulation Levels 0-100 
• Low to Medium Power Stimulation 
• Nick & Constant Stimulation 
• Customizable BOOSTER & Stimulation Level LOCK