outdoor camping / travel / mountaineering / investigation necessary compass

Product: outdoor camping / travel / mountaineering / investigation necessary Compass
Size:L:5cmW:3cm,T:1.3cm
Color:Blue,Red,Yellow

Function: pointing, lighting

Packaging: opp + cardboard packaging

Usage: Hold the compass must be level, but also a variety of items from the following list in order to avoid the needle are not confused: the compass should be 10 meters from the barbed wire, high voltage wire 55 meters, 20 meters in cars and aircraft, and containers containing magnets such as magnetic and so on 10 meters.