Seresto Large Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar for Dogs Over 18 lbs. | 8 Months Protection

Seresto Small Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar for Dogs Under 18 lbs. | 8 Months Protection

FAFAFROG Dog Bark Collar for Large Medium Small Dogs, Rechargeable Smart Bark Collar, Anti Barking Training Collar with 5 Adjustable Sensitivity Beep Vibration (Black)

Jugbow Dog Shock Collar 2 Dogs (10-120Lbs) - 4200FT Dog Training Collar with Remote IPX7 Waterproof Electric Collar with 4 Training Modes, Security Lock, Rechargeable e-Collar for All Breeds, Sizes

Bousnic Dog Shock Collar 2 Dogs (5-120Lbs) - 3300 ft Waterproof Training Collar for Dogs Large Medium Small with Rechargeable Remote, Beep (1-8) Vibration (1-16) and Humane Shock (1-99) Modes

Bousnic Dog Shock Collar for 2 Dogs - (8-120lbs) Waterproof Rechargeable Electric Dog Training Collar with Remote for Small Medium Large Dogs with Beep Vibration Safe Shock Modes(Grey)

SportDOG FieldTrainer 425XS - Remote Trainer Designed for Off-Leash Control & Training - for Stubborn Dogs - 500-Yard Range - Waterproof - Quick-Charge Collar - Static, Tone, & Vibration

Jugbow Dog Shock Collar - 4200FT Dog Training Collar with Remote, IPX8 Waterproof Electric Collar with 4 Training Modes, Security Lock, Rechargeable e-Collar for All Breeds, Sizes, Blue

INVIROX Dog Shock Collar [Ultra K9] 124 Training Levels, 4 Powerful Modes with Night-Light and ¾ Mile Range 100% Safe Dog Training Collar for Large Dogs IP67 Waterproof (Black)

PetSafe Wireless Pet Containment System Receiver Collar - Battery-Operated & Waterproof - Adjustable Receiver Collar with 5 Correction Levels - for Dogs 5lb+