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can be mounted onto any 20mm rail mount, and can store an 8.4v small battery (not included). As well as serving it's purpose as a battery box it doubles as a red-dot sight, one CR1616 battery powers the red-dot illumination (included). Simply remove the paper from the battery compartment and the red-dot is ready to go!* c H4 z5 @7 E
( s; {* J3 C$ o/ I; x- a只能装8.4小电,但是有红点,单独用一颗CR1616电池驱动 |
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