Seesii WH450 Impact
- Impact
- 2.05 pounds
- 21 volts
A light 21 volt cordless impact tool at 930 grams, with a 4.5 star rating from 275 reviews and recent purchase activity around 200 units in the past month.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 284 impacts we track
4.5★ across 275 Amazon ratings, Bayesian-smoothed toward the category average.
275 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 284 impacts we track - how the scorecard works · full impacts data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Seesii WH450 is a 21 volt cordless impact tool weighing 930 grams, about 2 pounds. It holds a 4.5 star rating from 275 reviews, with roughly 200 units bought in the past month according to the listing.
At under a kilogram, the WH450 sits on the lighter end of cordless impact tools, which typically trades some torque for easier one-handed handling in tight spaces. The listing does not break out torque or RPM figures, so raw output cannot be confirmed beyond the voltage rating.
- 21 volt cordless power
- 930 gram tool weight
- 4.5 star average rating
- About 200 units bought in the past month
Who it's for
DIYers and light-duty users who want a compact 21 volt cordless impact tool and prioritize low weight over maximum torque.
Strengths and trade-offs
Drawn from this product's published specifications.
- Light at 930 grams for one-handed use
- 21 volt cordless power source
- Recent purchase activity of about 200 units per month
- No torque or RPM specs listed
- Battery details not specified
Performance notes
The 21 volt rating and sub-kilogram weight point to a compact tool built for maneuverability rather than maximum torque, though the listing does not provide torque or impact rate figures to confirm output.
Specifications
| Brand | SEESII |
|---|---|
| Model | WH450 |
| Item Weight | 2.05 pounds |
| Voltage | 21 volts |
Other SEESII impacts
How it compares
This product against the closest alternatives we track in impacts.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Seesii WH450 ImpactThis product | 4.5 / 5 | 275 | 3.9 / 5 |
| DEWALT DCF845B ImpactDeWALT | 4.7 / 5 | 12,700 | 4.5 / 5 |
| Milwaukee 2457-20 ImpactMILWAUKEE | 4.6 / 5 | 8,078 | 4.5 / 5 |
| GEARWRENCH 81270 ImpactGEARWRENCH | 4.7 / 5 | 4,983 | 4.4 / 5 |
| AOBEN AB7331T ImpactAOBEN | 4.4 / 5 | 10,707 | 4.4 / 5 |
Similar impacts from other brands
Questions about the SEESII WH450
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What voltage is the Seesii WH450?
It runs on 21 volts.
How much does the WH450 weigh?
930 grams, or about 2 pounds.