Great product in valued processing, all aluminum. Various lighting levels are adjustable and a small, remote switch unit that can fasten on the handlebar with the attached Velcro in reach of the thumb, the Turbo mode can be felt as a headlight flasher. On the push-button is a small Käbelchen with a jack off, which can be plugged into the bottom of the lamp. In its original state a captive rubber stopper is in the hole in it to keep out dirt and moisture. 1800 Lumen I think is an exaggeration, but can not verify by measurement that. My 900 lumens lamp China is about the same brightness in the illuminated area, only the Turbo Mode is visible violent. What is clearly better than the China lamp, is the illuminated area, the cone is wider and has not become so "tunnelig". Enough light is anyway. The lamp is. By the two built-in battery, which were not supplied (18650 Li-ion), not easy, but I wanted a fully integrated luminaire A charger you have to buy extra, but I would choose me again for it. The batteries are standard parts and are available everywhere. Also chargers provide no hurdle. I have 4 batteries, so I got a set to change, if it takes longer again. The change goes a few steps on the road and without tools. The flap is formed by the rear wall, sealed with an O-ring and held by a metal bar with a snap strap that sits flap rattling absolutely fixed. The bare lamp holder together and Turbo button is not a bargain for the price you wanted, but it goes with the delivered quality and function absolutely fine. There is also not much choice if you are looking for a fully integrated lamp, the amount of energy has (2x3,4 Ah) and therefore by holding correspondingly long even in ordinary light intensities. The holder is quite stable, so far he has been able to keep the lamp on the Crosser. The thread of the locking screw engages in a recessed brass bushing. That makes a good impression. All in all, the lamp an enrichment and a bit of security.
