| Brand: | Ultra Fire |
| Model: | WF-502B |
| Emitter Brand/Type: | Cree |
| Emitter BIN: | XPE-WC R2 |
| Color BIN: | White |
| Total Emitters: | 1 |
| Battery Configurations: | 1x 18650 lithium battery |
| Voltage Input: | 2.6~4.2V、 4.2V max |
| Switch Type: | Clicky (Clickie) |
| Switch Location: | Tailcap (Tail-cap) |
| Modes: | 5 |
| Mode Memory: | Circuitry Features Mode Memory |
| Mode Arrangement: | Hi 280LM 1200mA > Mid 200LM 800mA > Low 120LM 500mA > Fast Strobe 200LM 1000mA > SOS 250LM 1200mA |
| Circuitry: | Digital Regulated 1200mA Current Output |
| Brightness: | 280 lumens maximum brightness (manufactuer rated) |
| Runtime: | Hi: 120 minutes with 2400mA Battery (manufactuer rated) |
| Lens: | Coated Glass Lens |
| Reflector: | Aluminum Textured/OP Reflector |
| Carrying Clip: | Belt-Clip Included |
| Carrying Strap: | ? |