model: H4-1B

color: Black

net weight: 26 grams

material: ABS

product packaging: OPP

Qty: 500 / box

The size of MM:85X28X21 products

features: whistle compass with a key ring, a magnifying glass, LED lamp, thermometer, product is compact, easy to carry, suitable for office, travel, outdoor travel.

"determination of position"

measured the position of southeast northwest direction. Start compass, horizontally in a solid plane, the level of bubbles in the red circle in the central, to dial to rest, the dial marked direction is the direction of the actual.

"map"
launch calibration of compass, flat on the map, map the sight end toward the Arctic, the side of the ruler and compass or map the magnetic meridian overlap parallel make dial zero alignment red green arrow refers to the rotation marking map, this map that has been calibrated, which corresponds to the natural terrain features.

"maintenance"
1, do not use the compass and placed near the ferromagnetic objects, high voltage lines and electromagnetic devices, to avoid errors and reduce the sensitivity of the compass.
2, when not in use, should be placed in ventilated, dry place.
3, do not throw, throw weight, etc., so as not to affect its accuracy.
4, the surface dirt, white cloth to wipe the surface available, in order to maintain the smooth surface.

The store launched all kinds of compass, magnifying mirror, a thermometer, a counter, a tripod, student laboratory microscope, telescope, pedometer, flint, aiming mirror bracket, insect viewer, hand cranked flashlight. Welcome all customers to come to order. The shop compass work fine, easy to carry. With the map is you always know their place, not only can be used for radio fox hunting, exploration, camping and other sports, also applies to the earthly branches, mad industry, forestry, investigation, irrigation and water conservancy, construction, tourism and other fields is directional, crude side necessary tools. Player's baby, go out travel partner, collection of boutique. Shop magnifying glass smooth, exquisite workmanship.

in order to provide the best quality and ease of service to the customer, the store default hair Shentong or excellent speed express, sto or excellent speed express not to regional forwarding SF express, SF courier fees to pay.

pro, our delivery time at 5 o'clock every day before the weekend as usual. Under normal circumstances, within 2-5 days after delivery can receive goods (remote area) and specific delivery time should be decided according to the different regions and the courier company, we can only guarantee the timely delivery, hope you understand!