DX official video of this product:

http://www.youtube.com/watch?v=P6uNn3SlSXc

Brand:MagicShine
Model:MJ-808
Emitter Brand/Type:Seoul Semiconductors SSC
Emitter BIN:P7-C-SXO
Color BIN:White
Total Emitters:1
Battery Configurations:Powered by a separate rechargeable battery pack with 0.8" LCD display digital indicator (4 x 18650 lithium batteries inside)
Voltage Input:8.4V max
Switch Type:Clicky (Clickie)
Switch Location:Tailcap (Tail-cap)
Modes:3
Mode Memory:-
Mode Arrangement:Hi 900LM !#!gt!*! Low 500LM !#!gt!*! SOS
Circuitry:Digital Regulated 1000mA Current Output
Brightness:900 lumens maximum brightness (manufactuer rated)
Runtime:Hi:3 hours; Low: 4.5 hours (manufactuer rated)
Lens:Coated Glass Lens
Reflector:Aluminum Textured/OP Reflector
Special Function:With Circuit Protection
Carrying Strap:-
Accessories Included:100V~240V AC charger (US plug)、 2 * Rubber rings

Dimensions: 2.17 in x 1.69 in x 1.69 in (5.5 cm x 4.3 cm x 4.3 cm)
Weight: 3.70 oz (105 g)