PetSafe Instant Fence Specifications:

• 6 adjustable levels of correction
• New beep only training mode
• Can be used with a unlimited number of pets, each wearing a collar
• Containment area can be increased to any size with additional transmitters
• Safety features include:
  • Protection against false signals. Only our transmitter can activate the receiver.
  • Receiver Fail-Safe. If your pet leaves the correction zone, the receiver will shut down after 25 seconds to prevent over correction
  • In case of a Power Outage the System Turns Off the Collar
• Waterproof Collar
• Low battery indicator light
• Lightweight 2.5 ounce receiver that's only 2 1/4"W x 1 5/8" D x 1" H