brand: UltraFire WF-501B
voltage: 3.7V~4.2V
LED: CREE XPG R5 WC
Modes: LED 5-mode Flashlight
uses 1*18650 battery, but it's not included in the quote
Net weight: 106g a pair
size: 132mm*32mm*32mm
This flashlight is very popular because of its low price and good quality.