# PetSafe Wireless Pet Containment System (PIF-300) vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar: specs and price compared

A sourced, side-by-side comparison of the PetSafe Wireless Pet Containment System (PIF-300) (PetSafe) and MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar (MIMOFPET) among wireless dog fences. MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar is the cheaper of the two at $129.99.

## Side by side

| Spec | PetSafe Wireless Pet Containment System (PIF-300) | MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar |
| --- | --- | --- |
| US price | $289.99 | $129.99 |
| Brand | PetSafe | MIMOFPET |
| Coverage area | Up to 1/2 acre circular boundary, adjustable 10-180 ft diameter; expandable with a second transmitter | Adjustable circular radius 25-3,500 ft (14 levels); up to ~856 acres |
| Containment type | Radio (RF) wireless — indoor AC-powered transmitter, no wire buried | Radio (RF) wireless — circular boundary around a portable remote controller, no buried wire |
| Collars supported | 1 waterproof receiver collar included; unlimited additional collars purchasable | 1 collar in base kit; independently adjustable settings for up to 4 dogs on one system |
| Correction levels | 5 adjustable static correction levels plus tone-only mode | 3 modes — beep, vibration (1-9 levels), and static correction (1-30 levels) |
| Collar battery life | RFA-67 replaceable battery, approx. 1-2 months per battery | Rechargeable; up to 185 days standby, approx. 85 hours active use with fence mode enabled |
| Waterproof rating | Waterproof receiver collar (no IP rating published) | IPX7 |
| Dog weight neck range | 8 lb minimum, 6 months+; neck 6-28 in | 10-110 lb; neck 16-23.6 in (adjustable retractable buckle) |
| Boundary adjustability | Circular boundary only; diameter adjustable at transmitter | 14 adjustable distance levels, 25-3,500 ft, circular boundary only |

## Key differences

- Coverage area: PetSafe Wireless Pet Containment System (PIF-300) Up to 1/2 acre circular boundary, adjustable 10-180 ft diameter; expandable with a second transmitter vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar Adjustable circular radius 25-3,500 ft (14 levels); up to ~856 acres
- Containment type: PetSafe Wireless Pet Containment System (PIF-300) Radio (RF) wireless — indoor AC-powered transmitter, no wire buried vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar Radio (RF) wireless — circular boundary around a portable remote controller, no buried wire
- Collars supported: PetSafe Wireless Pet Containment System (PIF-300) 1 waterproof receiver collar included; unlimited additional collars purchasable vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar 1 collar in base kit; independently adjustable settings for up to 4 dogs on one system
- Correction levels: PetSafe Wireless Pet Containment System (PIF-300) 5 adjustable static correction levels plus tone-only mode vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar 3 modes — beep, vibration (1-9 levels), and static correction (1-30 levels)
- Collar battery life: PetSafe Wireless Pet Containment System (PIF-300) RFA-67 replaceable battery, approx. 1-2 months per battery vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar Rechargeable; up to 185 days standby, approx. 85 hours active use with fence mode enabled
- Waterproof rating: PetSafe Wireless Pet Containment System (PIF-300) Waterproof receiver collar (no IP rating published) vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar IPX7
- Dog weight neck range: PetSafe Wireless Pet Containment System (PIF-300) 8 lb minimum, 6 months+; neck 6-28 in vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar 10-110 lb; neck 16-23.6 in (adjustable retractable buckle)
- Boundary adjustability: PetSafe Wireless Pet Containment System (PIF-300) Circular boundary only; diameter adjustable at transmitter vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar 14 adjustable distance levels, 25-3,500 ft, circular boundary only

## Sources

- PetSafe Wireless Pet Containment System (PIF-300): https://www.petsafe.com/p/wireless-pet-containment-system-trade/PIF-300/ (petsafe.com, verified 2026-08-05)
- MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar: https://mimofpet.net/product/x3-wireless-dog-fence-2-in-1-training-collar/ (mimofpet.net, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/wireless-dog-fences/petsafe-pif-300-vs-mimofpet-x3-wireless/
Cite: Per The Front Desk Review, PetSafe Wireless Pet Containment System (PIF-300) ($289.99) vs MIMOFPET X3 Wireless Dog Fence, 2-in-1 Training Collar ($129.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/wireless-dog-fences/petsafe-pif-300-vs-mimofpet-x3-wireless/
License: CC BY 4.0.