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Motion Detector Pricing
Analysis of 1,980 motion detector listings on eBay.
What you'll usually pay
$39.99 typical price
Most are between$15–$150
Brand new$39.99
Used$39.99
On sale now1,980
👉 In short easy summary
Value is found with Sensor Switch and Unbranded options, which sit 20-25% below the market median. Premium pricing is driven by Optex and Honeywell, both trading 25% above the median.
💚 Best value for your money
Sensor Switch 88 on sale$29.96 · 25% cheaper
Unbranded 87 on sale$31.85 · 20% cheaper
Price by brand
Why? Prices vary by manufacturer, ranging from 29.96 for Sensor Switch to 50 for Optex.
🛒 Some on sale right now
Common questions
What is the median price for a motion detector?
The market median is 39.99.
Which brand offers the lowest median price?
Sensor Switch has the lowest median price at 29.96.
How does Bosch compare to the market median?
Bosch has a median price of 45, which is 13% above the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $15–$150, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 30, 2026.