Outdoor tachograph camera

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Thank you for purchasing SJ4000 HD Sports Camera tachograph. This product has a super small body and the integration of design, ease of recording whenever and wherever you shoot great and outdoor sports scene, while the dynamic photography technology can clearly record a variety of activities, using a wide range of vehicle mounted recording, outdoor sports, home security deepwater exploration indispensable recording tool.




170 degrees A + grade-resolution wide-angle lens

Select your language

English / German / French / Spanish / Italian

Video Video

1080P (1920 * 1080) 30FPS

720P (1280 * 720) 60FPS

VGA (848 * 480) 60FPS

QVGA (640 * 480) 60FPS

Video Video Format


Video compression formats


Photo resolution

12M / 8M / 5M

Memory card


Camera mode

Single shot / self-timer / (2 seconds / 5 seconds / 10 seconds) / Continuous

Light frequency shelter

50Hz / 60Hz



Power supply


Battery capacity




Recording time

1080P / 70 minutes

Charging time

About 3 hours

Operating system

Windows XP / VistaorAbove / Win7 / Mac os


59.27 * 41.13 * 29.28

Package 1 = official configuration + 4G authentic licensed card

Package 2 = official configuration + 4G authentic licensed card + reader + digital rub

Package 3 = official configuration + 8G authentic licensed card

Package 4 = official configuration + 8G genuine licensed digital rub + card + reader

Package 5 = official configuration + 16G authentic licensed card + reader + digital rub

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Q:How to play a scooter?
Here are 20 basic techniques for scooter.Basic gliding motion1 、 slide up and downThere are two kinds of station law: one is left foot in front, toe right, also called forward station method; the other is right foot in front, toe to left, also called reverse station method. Most people use the first kind of stand for skateboarding. The techniques described above are based on this kind of station method. If you think this is uncomfortable, you can also change direction, using second stations. (1) prepare: the ground with two feet, the skateboard is placed flat on the ground before the foot. Upper plate: first put one foot on the front of the skateboard, and the other foot still on the ground. (2) the body center of gravity to have the foot plate, the upper body slightly forward, knees bent, arms stretch, balance. (3) and (4) step on the foot, gently pedal, and then get the skateboard and put it on the back of the skateboard. At this time, the whole body and the slide begin to slide forward. Skateboard: (1) when the slide is not completely stopped, still sliding forward, will focus on the front and rear landing gear as it as on the ground. (2) after landing, the focus was transferred to the rear, then lift the foot, let the feet are on one side of the skateboard. When you can freely slide up and down, you should try to change the position of the front and rear foot, familiar with the reverse glide position.
Q:How about skateboarding sand paper getting dirty?
First of all, prepare a hard rubber, how big and how big it must beThen prepare a hard brush, the size is not limited to medium, just finePut the panel down
Q:What kind of skateboards should be used in all kinds of ground?
[types of skateboards]1. EntertainmentRecreational skateboard for beginners fitness exercise. Beginners should choose flat sliding field, when sliding wear elbow, wrist, knee pads, helmets and other protective gear.
Q:What's the difference between the pure board and the versatile board on the skateboard?
Dance boards are the choice of most long board players. It's a little longer than the almighty. For ourPlay a little less than a partner is flat plate.
Q:How to twist the scooter
You mean the dragon board, right?1, find a place with a handle, or let people support you, two feet outside eight characters, change each other, you can slide forward
Q:Why do skateboarding shoes wear too fast?
But buying a good pair of skateboard shoes is also necessary, though it's expensive, but it's worth it!!
Q:Which brand of skateboarding is better, the novice should choose what?
1. pure instead of words like the boiling point of the page is good, below 200, this kind of bat easy bad depends on how you play, you generally play harder, more damage to the board, although this kind of bat is not to say that it is bad, but the short life is positive, and in winter days, if the north is more attention, this season's board are very hard and brittle, so easy to burst, said vulgar the price of the board is a toy, and I think it can not play action will lose the skateboard as extreme sports value.
Q:When skateboarding, how do you get the board to jump with someone?
Foot site. The beginning of training can not jump, mainly the front foot is not good, afraid to take off. To jump high, start practice, the front foot pressure down, so the board can not play.When jumping up, the front foot, the thigh belt forward, while the front foot, leg forward swing, should pay attention to swing, the calf is not always perpendicular to the ground. You can't just lean on your thighs, you can't jump high. When you jump up, you should use your hands up and down, so you can jump more steadily.
Q:The difference between skateboarding junior, intermediate and advanced
Bracket (truck): professional address called "bridge"". Bridge is good or bad in weight, because the bridge is all metal parts, so it will be very heavy. So the lighter the bridge, the better, but still strong enough. Generally speaking, the bridge is made of aluminum alloy. But there are other materials, such as: titanium alloy (China skateboard nets see, estimated that it is not cheap). Then there is the elasticity of the PU (the only non-metallic component on the bridge). The better the elasticity, the better the bridge. But attention is elasticity, not hardness. Some people like hard PU, and others like soft ones. It's based on personal preference. Personally, I like the independent (Indy) bridgeBearings (bearing): Generally speaking, the sooner the better. The precision of the bearing is divided by ABEC-7 and abec-5. 7 of high precision, speed, but easy to bad. 5, on the contrary. In short, fast and sturdy bearings are the best.Wheel (wheel): good elasticity indicates good wheels. There are wheels, size, hard and soft difference, this is based on personal preferences.
Q:The skateboard you just bought doesn't make a turn
One way you can put the bridge too dead nail loosen a bridge or a soft bridge in the second situation you can't use a gravity turn inward if you can let the ball of the foot and foot force plate and body with tilt or swing plate before and after that long head tilting control plate plate turn

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