Vm-1 Spotmeter

Has anyone heard of this spotmeter that is out on eBay lately? I can't find anything about it, it could be under another name as it usually happens with Chinese gadgets, but still can't find anything. https://www.ebay.com/itm/184797853801 (this is not an ad, you can find multiple similar listings on eBay)

Specifications:
- Category: Ambient Light Spot Meter
- Measuring angle: about 1°
- Measuring range: 2.0~20.0 EV (ISO100)
- Measuring element: silicon photodiode (SPD)
- Display range: 6~6400 (ISO); 30s ~ 1/8000 (shutter); 1.0 ~ 90 (aperture)
- Dimensions: about 100x50x30mm
- N.W.: about 70g
- Power supply: lithium battery

One look at the build quality and design and why trust it

It may well work well but not a lot of proper thought has gone into te aesthetics and ergonomics and ease of use.

Ian