formerly FieldTrainer 400S

• 500 yard range
• "S" model provides stronger correction ability.
• DryTek™ Waterproof Design Technology
• 7 instantly selectable stimulation levels; medium/high stim ranges
• Option to train with vibration or tone.
• Rechargable Li-Ion batteries charge system in only 2 hours.
• Transmitter can control up to 3 Collar Receivers at once without loss of vibe/tone feature.
• Transmitter weighs only 2.4 oz
• Collar Reciever weighs only 3.3 oz
• 1 year manufacture warranty