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This contains a Heat Guardian V2 Base and a Heat Guardian V2 Mobile with removable antenna. The mobile comes with the same long range antenna as the base.


The removable antenna makes the mobile unit very ungainly so you'll want to put it in a stand to keep it upright and it will fit in a purse but not well in a pocket. It does supply extra gain so if you must have the additional range then purchase this unit, otherwise we recommend our standard base/mobile pair.


We believe, but have not proven, that this antenna adds about 30% additional range over the standard pair.



Keep your pets safe and snug! The wireless Snug Dog Heat Guardian Temperature Monitor helps you watch over your pets in the car or RV to make sure that they stay healthy. If the remote temperature goes beyond a set range the unit in-hand immediately shows this on-screen and it warbles a warning.


Recharge them with a standard 5V USB charger and watch the battery last for an entire weekend. The display on top shows the current temperature as well as the battery life and signal strength. There is one button to power it on and off.


The Snug Dog Heat Guardian comes complete and ready to use. There is no service plan required.


The listed price is for two (2) Heat Guardian units - one base and one mobile.


Each unit contains

  • Bluetooth 5.0 radio with internal antenna
  • long range radio with external antenna for maximum range,
  • microcomputer
  • 500mAh lithium battery
  • 4MB of flash
  • microUSB port for battery charge
  • micro-speaker for alarms and alerts
  • on/off switch
  • color LEDs for status


The base unit also contains

  • precision analog temperature sensor for quick response


The mobile unit also contains

  • precision digital temperature sensor
  • graphic blue/yellow OLED display for showing temperature, signal, and battery



Base: 2.5"x2.75"x.75". The antenna is 4.75" tall. Total weight: 3 oz.

Mobile: 8"x2.25"x.5". Weight 3 oz.






Heat Guardian v2 - Base & Long Range Mobile

  • We want you to feel comfortable that the Heat Guardian is the most reliable accurate device you can buy.

    Within the first 30 days you may ship the undamaged units back to us for a full refund, no questions asked.

    We warrant the product will work reliably for one year. If it fails, we will repair or replace it free of charge.

  • The long range antenna adds enough complexity that we do not recommend this pair unless you know what you're doing and are convinced you need it.  Please add comments.

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