The I3T EOS is a slim tail switch flashlight powered by a single AAA battery with a max output of 180 lumens.
This is the Kit version, which includes the USB charge cable.
Searching for a light that's small enough to hang on your keychain, but won't weigh it down? Powertac's E3, now in its 4th generation, is ready to be your pocket light.
Powertac has been refining and developing their E2 model for years, and this 4th generation may have reached utter perfection.
Trustfire Mini2 is a very reliable and helpful EDC keychain flashlight, it features 2 modes which are 5 lumens on low and 220 lumens on high. Rechargeable through a built-in Micro-USB charging port, with a 10180 Li-ion battery and MICRO-USB cable, you could take everywhere without having to worry about changing the battery.
The MINI3 is a tiny keychain EDC light with wide voltage design which could be powered by 10440 600mah or AAA battery (NiMH or alkaline) 1.2V/ 1.5V/ 3.6V/ 3.7V/ 4.2V and dual output settings ranging from 100 to 350 lumens. There is just one mode for MINI3 keychain light, twist the head for turn on/off.
E01 is a tiny portable EDC flashlight. Utilized 1* Cree XPG3 LED, E01 emits 100 lumens max output, powered by AAA battery, more convenient to get.
Trustfire MiniX UV / Red Led Flashlight 320 Lumens