Waterproof 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 do rookies play skateboards?
Novice need atmosphere, so more play with everyone, more exchanges, so that progress is fasterFinally, don't even think about turning on the board. What's 360?Basic skills are very important. Make sure you OL over 3 feet before you practice
Q:How does a skateboard turn?It's on 4 wheels
Up and down slideThere 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 can I learn how to drive a scooter?
Exercise points:Many beginners are more willing to practice in situ when they are afraid of falling down. This is bad for practice. It may just be to find the upward feeling, and without the experience of the forward, it is difficult to make a good Ollie in the taxi. But being in place is a good way to experience the action. Therefore, more emphasis should be on the basic skills of skating, skiing and basic balance training, plus downhill exercises, the skateboard has been able to make certain control, and then practice Ollie, may be twice the result with half the effort.Some beginners do Ollie, often can not find the feeling of a coherent, often foot force, while the front pulling action has a chance to finish; or forefoot desperately but not the pull foot stepped on board. It's all normal. It takes some time to connect the movements to coherence. On the ground can try to practice the coordination of feet, master the time difference, habits become natural. You can also close your eyes, imagine the action in a meditative way, deepen your impressions repeatedly, and listen to some relaxing music. I believe it will help. The method of meditation training is easy to implement and can be used frequently during skateboarding training.
Q:Children scooter good, advantages, disadvantages?
But after all, children's scooters are sports toys, the quality must be better, in the economic conditions of the premise, or choose a good quality brand, such as the British COOGHI, cool scooter ride.The disadvantage is that common to all sports products, is a security risk, because the child ability and reaction are not as good as adults, easy wrestling, this is also the reason to choose a good brand, and is the best parents to accompany children together, wear protective devices.
Q:Skateboarding beginners should practise what action?
Countless skateboard masters started their first slide from the street. No matter how many times you fall down, you won't learn to skate at home, just like going to school on land and not swimming. So don't be afraid of being a joke when you practice the ugly, let us go up SKATEBOARDING!
Q:How to play badminton skateboard lob
Skateboard lob is a badminton ball techniques, also called with crane, as the name suggests is the ball hitting the back with support, pronation, makes it fall into the other site front position. This hanging method is very good concealment, but also deceptive, easy to make opponents unprepared. In the backcourt head or forehand, can be used and can skateboard lob, hanging straight or diagonal ball hanging. The skateboard lob mode of operation, if also fake with lob shaking of the body, usually to rival the great deterrent.
Q:What are the names of skateboarding skills?
Regular is accustomed to the left foot in front of the skateboard positionGoofy is used to the right foot in front of the skateboard positionFakie upside down positionSwtich uses an unaccustomed standing posture for action
Q:With the development of skateboarding, surfing skateboarding close on the heels of its ancestor.
Date: June 21stThe festival is composed of IASC (International Association of Skateboard Companies) initiated by the organization, the world belongs to the whole world skateboarding day slip of the hand, June 21st is the first day of the summer vacation students so we will be in the first day of the holiday will enjoy skateboarding, this is the first choice of the sliding plate on the original intention. I hope that skateboarding will be more widely popularized and supported. I hope more people will understand and accept skateboarding, and let more friends join in skateboarding. Huzhou extreme sports: has held 10 times to roller skating, BMX, skateboarding based events.National ultimate sports classic: hip-hop, Lala, skateboarding, roller skating, BMX, etc. for the competition.Surfing China Silver Dragon skateboarding final: surfing, China, surfingchina and Woodward and DVS and other international well-known skateboarding institutions created skateboarding special events. Silver Dragon skateboarding tour of the finals before the final - Baby Dragon tour in China's first tier cities tour, contestants may choose to participate in 1 or more individual events. The top 3 players of the single event will be eligible for the finals of the surfing China Silver Dragon skateboarding competition at the surfing China carnival. Skateboarding (--SK), a game that focuses on the fun of skateboarding and skateboarding.
Q:Who sang the original "my skateboard shoes"?
Pang Pang Lang said, "my skateboard shoes" from the creative background of their own personal experience, he said he did not want to fame, as long as some people like listening to him singing, it has been very satisfied.
Q:How do skateboards play?A board: 70 to 150 yuan, pure wood, it is heavy and not resistant to fall
Ollie (Tun Tiao): after the flat horizontal and basis of practice, you can try the dolphin jump (JUMP)! First, behind the foot to tilt, slightly hanging (that is, half in the rear foot board, half hanging), the other foot on the left and right four screws in the middle between (or forward a bit, don't over in front of the screw, it is best not to exceed) toe board edge (slightly backwards; never mind) in the first place exercise, try the brake unit for board inclined tilt, then you put it to practice, only the rear foot, forefoot don't stand to the board, you hard next step, the board is not very high up? Stand on the board to try, and with the front foot into a knife shape, that is, with the shoes outside the edge of the syncline ahead painted, that is, with shoes on the edge of the sandpaper and bring the board. It's hard. Practice more. When you can jump up and steady, try jumping on a big thin board. (if you start doing it, you'll be able to do it at once! I promise!)

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