Vastfire Torch Reviews?

LED Flashlights – General Info 18650 Flashlights
1

Has anybody gotten a Vastfire like this: 9.08€ 30% OFF|Jagd Licht Rot/Grün Zoomable 18650 LED Taktische Lampe Fokus Taschenlampe Licht|light hunting|light redzoomable led - AliExpress

Is it a good host or easy to mod?