KanPas Mini Luminous Button Compass for Watch Band Lanyard

This is a high-quality wrist band button compass, it will be set on a watch band or lanyard on a backpack. Military grade parts and luminous dial installed. It will be convenient to use in the evening, diving, forest or cave adventure.
Uses: Pointing navigation during mountaineering, hiking, cycling, diving
Luminous: Storing luminous
Stress test: 60M (197ft) underwater
Wearing method: strap-style, lanyard (A-20 for straps up to 20mm wide, A-25 for straps up to 25mm wide)
ITEM A-20: Product size: 22 * 22mm (0.87 * 0.87 in); Product thickness: 13mm (0.51 in); Net weight: 4.5g (0.16oz)
ITEM A-25: Product size: 27 * 27mm (1.06 * 1.06 in); Product thickness: 13mm (0.51 in); Net weight: 6.1g (0.22oz)
Kindly Note: Do not wear on a metal strap, it will affect the correct pointing. Before using in a dark place, store in strong light.

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Unique luminous design makes it easier to distinguish the north at night
Silicone base for comfortable wearing without irritating the skin
Strong magnetic durability, fast and accurate pointing
Shockproof, waterproof (60 meters underwater)
Mini size, light weight, easy to carry, liquid-filled