Motion Lights Are Not All One Trigger: Compare Sensor Reach, Hold Time and Dim Level

A motion night light has one job on the bathroom trip: it must come on before her foot reaches the floor, stay on until she is back in bed and not wake her more than needed. Packages rarely say which of those things they do well, so you have to check them against your own house.

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Sensor reach

Read the coverage area the maker describes, then ask where the sensor points. A sensor aimed at the wall beside the bed may never see the bed edge. A sensor aimed at the floor may miss a person who is sitting up. Map the coverage onto your six stops and write down which stops each light catches.

Hold time

Hold time is how long the light stays on after motion stops. If it is too short, the light can go out while she stands still at the door, which is one of the moments that matters most. Compare the hold time settings the maker lists, and check whether you can adjust them.

Dim level

A bright light can wake her fully, and a dim light may not show the step at the bathroom door. Look for a low setting, and check that it is still bright enough to show the edges of the steps and the floor. Test the setting at night, not in the store.

Power and placement

Plug-in, battery and hardwired lights need different checks. Battery lights need a replacement plan with a named owner. Plug-in lights need an outlet at the right height and out of the path. Hardwired lights are a different job, and the decision about who does that work belongs with the paperwork and the installation questions covered elsewhere on this desk.

Test it at her pace

Walk the route in the evening with the lights off, at her pace, with the actual person or a helper walking beside her. Watch whether each light comes on in time and stays on through each stop. Do not trust the spec sheet alone. The sources page lists where the general guidance here comes from.

What to write down

For each light, write the sensor direction, the stops it covers, the hold time setting, the dim setting, the power source and who replaces the batteries or checks the outlet. Keep the note where the next person will see it on the night route.