Portable Army or military compass in aluminium material

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Specifications

Model: DC60-2A

Name: outdoor hiking or military compass and army compass, metal compass and marching compass in aluminium material

Product Origin: China

Supply Ability: 40,000 pcs/month

Minimum Order: 100 pcs

MOQ for OEM package: 500pcs

Detailed Product Description

Product Size: 85*53*30 (mm)

Color: Army Green, Military green, Black

Material: Aluminum alloy

Features:

1)Can easily folds to fit in your pocket

2) The compass is highly accurate and features a liquid-damped compass card with a luminous dial that can easily be read at night, and a standard bezel with two yellow lines at 45 degree angles

3) The compass card has both the standard 0 - 360 degree scale, as well as the 0 - 64Mil scale (one yard at 1,000 yards)

4) The bezel rotates with detents every 3 degrees so you can change the heading reference a known amount without looking at the compass

5) The front sight has a magnifier to simultaneously view the magnetic heading when taking a sight

6) A second magnifier assists in reading the magnetic heading when direct viewing from above

7) When unfolded flat, the marching compass has a straight edge with a standard 1:25,000 or 1:50000 map scale

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Q:GPS locator has a mobile phone card can automatically transmit voice
Car GPS locator, you can connect a microphone head, so you can listen to the sound around the device! But the device needs to support the listening function, the proposed selection of R & D manufacturers, the latter has technical support!
Q:What is the meaning of the GPS locator
To detect vehicle OBD GPS locator self-test function as the European Bidi car safety steward
Q:Mobile phone can be tracked after the closure of the GPS?
When you open the phone GPS service, and through the wireless network to locate the GPS positioning information, the phone can be traced. If the phone closes the GPS service, can it be traced? The answer is yes, but some conditions are needed.GPS mobile phone is only one of the positioning function of the technology, but also through the communication base station, Wi-Fi hotspots and other mobile positioning. At present, the positioning technology used in all kinds of mobile phone positioning software is GPS positioning technology and base station positioning.
Q:What is a dual-mode GPS locator
Such as: while supporting the United States GPS navigation satellite signals, as well as Russia's GLONASS navigation satellite signal.
Q:Express is how to achieve the positioning of 5?
Logistics to the transit station after scanning the logistics information, understand?
Q:GPS locator if the thief was removed how to do
So how to prevent the GPS locator was removed to prevent GPS locator was removed and what are the effective methods?1, can be used to prevent the demolition of GPS locator, when the equipment is damaged, increase the difficulty of removal.2, the use of standby power supply GPS locator, when the external power supply is damaged, can still be short-term positioning, and issued a warning message.3, as far as possible hidden installation. Equipment installed in the car is not easy to be found.4, after the removal of the track playback function can be used to find the law of motion of people or vehicles.5, in the conditions allow, you can install two GPS locator, the thief after the removal of a lightly, often do not go looking for another.
Q:Where to buy online GPS locator good?
Xiamen will be the first in the industry to develop a company in the cave, tunnel, underground patent positioning technology, regardless of the vehicle in what position, can achieve positioning and tracking. GPS anti-theft device product features: 1, SMS control: the owner can use the phone to complete the positioning, tracking, query state, query parameters, set parameters, almost all of the operations. The location description is sent to the owner in the form of Chinese text messages. 2, vibration alarm: under the state of security, the vehicle was abnormal vibration, will trigger the alarm. Send alarm information to the owner.
Q:UU vehicle GPS locator convenient?
1, private cars, rental cars installed GPS positioning system, you can better manage the use of vehicles and anti-theft.2, concrete vehicles installed GPS positioning system, can better monitor the amount of concrete and construction progress.
Q:What does GPS mean
GPS principle24 GPS satellites orbiting the earth at an altitude of about 12 thousand kilometers from the ground, making it possible to observe more than 4 satellites at any point on the ground at any time, at any point in the.That due to the precise position of the satellite in the GPS observations, we can get the satellite to the receiver distance, the distance formula of three-dimensional coordinates, using 3 satellites, can be composed of 3 equations, solved observation point (X, Y, Z). Considering the error between the satellite clock and receiver clock, in fact there are 4 unknowns, X, Y, Z and clock, which requires the introduction of fourth satellites, the formation of 4 equations to solve, in order to get the observation points of latitude and longitude and elevation.In fact, the receiver can often be locked more than 4 satellites, then the receiver according to the distribution of the satellite constellation is divided into several groups, each group had 4 teeth, and then through the algorithm selected a set of minimum error for positioning, so as to improve the accuracy of.Due to the orbit of the satellite, the satellite clock error, the impact of the atmospheric troposphere and ionosphere on the signal, as well as the artificial SA protection policy, the positioning accuracy of civil GPS is only 100 meters. In order to improve the positioning accuracy, commonly used differential GPS (DGPS) technology, the establishment of base station (differential Taiwan) were observed in GPS, using the known exact coordinates of the base station, compared with the observed values, so that a number of amendments, and released. After receiving the correction, the receiver compares with the observed values, eliminates most of the errors, and obtains a more accurate position. The experimental results show that the positioning accuracy can be increased to 5 meters by using differential GPS.
Q:Car GPS positioning tracker shows how offline
2, locator no cell phone signal. Dial the phone number through the phone locator, if the prompt can not be connected, not in the service area, this is the case. As far as possible to stop the car in a better signal environment. The positioner mounting position not too closed, do not have the metal of the block, installed on the car to rely on. In the underground garage, tunnel, remote occlusion and other areas without cell phone signal, will lead to the locator off line

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