
Blue Charm Beacons Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon
with Button Trigger and Movement Sensing
Price as of 2026-06-17. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$7–$22← You are here
- Mid-range:$22–$50
- Premium:$50+
Is This Right For You?
- •Budget-conscious shoppers — priced below 77% of motion detectors
- •You prefer well-established products — only 41 reviews, so the rating may still shift
- •DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module offers a better rating (4.4/5) at a similar or lower price ($9)
- •DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module — 55% cheaper at $9 (Score A-)
- •SimpliSafe Motion Sensor — higher rated at 4.7/5 ($30)
📊 Based on data analysis of 158 products in this category.
Mubboo Score: B-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other motion detectors
Computed from live Amazon rating, review count, and price across 158 motion detectors available to US consumers · last refreshed 2026-06-17.
How It Compares
This Product Blue Charm Beacons Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon | Most Popular HTZSAFE Driveway Alarm- 1/2 Mile Long Range Wireless | Best Rated SimpliSafe Motion Sensor | Best Value DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module | |
|---|---|---|---|---|
| Price | $21.25 | $43.99 | $29.97 | $9.49 |
| Rating | 4.1/5 | 4.4/5 | 4.7/5 | 4.4/5 |
| Reviews | 41 | 19,790 | 532 | 541 |
| Mubboo Score | B- | B+ | B+ | A- |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Consider sensor placement to minimize false alarms from wind or wildlife; use lithium batteries for hot/cold climates, and check weatherproof seals to prevent moisture damage.
- Long wireless range and reliable signal through obstacles
- Easy setup and installation
- Loud, customizable alerts with multiple chime options
- Weather-resistant and durable design
- Good value for price
- Prone to false alarms from wildlife, wind, or debris
- Inconsistent vehicle detection, sometimes missing cars
- Build quality and durability concerns, including moisture ingress and resets
- Battery issues: alkaline batteries drain quickly in extreme temperatures; recommend lithium
About Blue Charm Beacons
- 4 products in our database
- Average rating: 4.2/5 across all products
- Price range: $21.25 – $59.99
- Categories: horns-and-sirens, motion-detectors
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Bottom Line
Blue Charm Beacons Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon earns Mubboo Score B-. Priced at $21 — a budget-friendly option, below the category average of $44. Rated 4.1/5 from 41+ reviews. Strong buy if: budget-conscious shoppers. Skip if: you prefer well-established products — HTZSAFE Driveway Alarm- 1/2 Mile Long Range Wireless (Score B+, $44) may fit better.
Frequently Asked Questions
Is the Blue Charm Beacons Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.1/5 rating from 41 reviews — better than 46% of motion detectors we track.
How much does the Blue Charm Beacons Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon cost?
It is currently $21.25 — budget-tier pricing for motion detectors.
How does the Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon compare to other motion detectors?
The category's most-reviewed alternative is the HTZSAFE Driveway Alarm- 1/2 Mile Long Range Wireless (4.4/5, 19,790 reviews, $43.99). The Blue Charm BC021-MultiBeacon Bluetooth BLE iBeacon carries a Mubboo Score of B- vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-17) and may change.