1Senses at 5–8 m
It senses body heat to switch the light on and turns it off after you leave, hands-free and energy-saving.
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USB lights that wake when you walk up-12%CODEcapitalone12Harfington USB PIR motion sensor switch, 2 pack
Plug this sensor switch between a USB LED strip and its power source and it turns the light on and off when it detects people. It senses at 5 to 8 m and suits under-cabinet, under-bed or entryway lighting.
12%$12.87
Price with code · Harfington · as of 2026-10-09Code capitalone12 · 12% off
2Plain USB in and out
A 30 cm lead with male and female USB plugs sits between USB lights and the adapter. It handles DC 5 to 24 V, up to 5 A and 120 W.
3Automatic light anywhere
Screw the small body in place to automate kitchen cabinet, under-bed, entry or stair lighting.
Key specs
- Sensing distance
- 5–8 m
- Operating voltage
- DC 5–24 V
- Load
- 5 A / 120 W
- Sensor size
- 50 × 22 × 26 mm
- Lead length
- 300 mm
- Quantity
- 2 (white)
Good pick if
- You already use USB LED strips
- You hate fumbling for a switch at night
Think twice if
- You want to control mains-wired wall lights
FAQ
Is there a promo code?
Yes. Enter capitalone12 at Harfington checkout when buying the Harfington USB PIR motion sensor switch, 2 pack for 12% off.
Where should I avoid mounting it?
The page says to avoid direct sun or lamp light, strong airflow, and spots near air conditioners, fridges or heaters.
Can I return it?
The product page offers 30-day returns from delivery. Returns are free within the US; elsewhere you pay the return shipping.
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