- Model: UltraFire WF501B Cree R2
- Features a Cree XR-E R2-WC LED emitter
- Powered by 1 x 18650 or 2 x 3.0V/3.6V CR123A batteries
- Voltage input range: 3V~8.4V
- Single mode tailcap clicky switch
- 250 lumens maximum brightness (manufacturer rated)
- 1000mA current output digitally regulated driver circuitry (manufacturer rated)
- 40 to 60 minutes estimated runtime per charge (manufacturer rated)
- Coated glass lens with aluminum textured/OP reflector
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