Some TempMinder remote weather station units come with AC/DC power adapters, which allows the backlight to stay on indefinitely, but all TempMinder units have a 5 to 10 second backlight timers when running on battery power.
Below, you can find your model to note how long yours stays on.
| Model | Backlight Timer | |
| MRI-211MXW |  |
5 Seconds |
| MRI-822MX |  |
10 Seconds |
| MRI-823MXC |  |
10 Seconds |
| MRI-333MX |  |
5 Seconds |
| MRI-333MXC |  |
10 Seconds |
Minder Division of Valterra Products
3000 SE Waaler Street
Stuart, FL 34997
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