| Brand: | - |
| Model: | RS-821 |
| Emitter Brand: | Cree |
| LED Type: | - |
| BIN: | Q5 |
| Color: | White |
| Number of Emitter: | 1 |
| Voltage Input: | 1.5~3.7V |
| Battery Configuration: | 1 x AA/14500 battery (not included) |
| Circuitry: | - |
| Brightness: | 240LM |
| Runtime: | 2~3 hours (manufacturer rated) |
| Number of Modes: | 3 |
| Mode Arrangement: | High > Low > Fast Strobe |
| Mode Memory: | No |
| Switch Type: | Reverse clicky |
| Switch Location: | Tailcap |
| Lens: | Convex Plastic Lens |
| Reflector: | - |
| Beam Range: | 100m |
| Strap Included: | Yes |
| Clip Included: | No |
| Accessories/Spare parts: | 1 x Head band (38~120cm) |
| | 1 x Chinese/English manual |
| Others Features: | Water resistant、 focus adjustable |
Dimensions: 4.37 in x 1.14 in x 1.14 in (11.1 cm x 2.9 cm x 2.9 cm)