Compact Wireless Thermometer and Clock (MRI-200HI)


Availability: 1 in stock

Compact Thermometer with Clock (MRI-200HI)

* Perfectly sized for RV, bedside, apartment or dorm!
* Wireless temperature readings from remote RS10 transmitter (1 included)
* Three channel capability (2 optional RS10 transmitters may be added)
* Temperature Range -58°F to +140°F (-40°C to +70°C), user selectable C/F
* Maximum Range 165 feet (50 meters)
* Great for outdoors, wine cellar, attic, baby’s room, greenhouse or garage
* Mimimum/Maxiumum temperature memory
* Clock (12/24 hour selectable) with calendar
* Requires 2 “AA” and 2 “AAA” batteries

Batteries for the white RS10 Transmitter go in the same direction.


Adding Extra Transmitters?
Special Instructions

Installation Video

Link to Tech Support

Weight 0.6 kg
Dimensions 1.5 × 8.5 × 7 cm
Warranty Infomation

One Year Warranty

Additional Transmitters

1, 2

Product UPC/EAN


4 reviews for Compact Wireless Thermometer and Clock (MRI-200HI)

  1. Anonymous

    Must be re-synced each time a battery is replaced in any remote unit. Also if there is a problem with a single remote, the entire system needs to be re-synced(start over from the beginning). Poor design!

  2. Anonymous

    Excellent product for RV’s. Makes it simple to monitor temperatures inside, outside, in the refer and in the belly.

  3. James Elder

    Love the product, love the service!

  4. Buddy

    Came back here looking for another product and decided to write a review of Temp unit I bought at least 5 years ago. We’ve used it with two RV’s. I have the sending unit mounted with a magnetic phone mount under the 5th wheel overhang. It’s worked flawlessly. Just change the batteries about every other year.

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