Kanpas มินิปุ่มเรืองแสงเข็มทิศสําหรับสายนาฬิกา

Product description:
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. We offer 2 models to be selected A-20 and A-25 please select the model you want based the photos.

Feature:
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