Item Name: Shooting Velocimeter 
Package:1 set Speed Measuring Instrument+Instruction
You can choose: only Chronograph / only Bracket / Chronograph+Bracket
Size: 33.5x21.8x29.2cm / 13.1x8.58x11.5"
Weight: 578g
Material: Aluminum Alloy
Working Voltage: DC6 V ( need four AA batteries)
Not included battery because of to shipping restrictions.
Accuracy: Measurement error ≤1%
Measuring range: 1-2000M/S (4-6500 FPS)
Range of energy measurement: 0.1-6000J

Bracket Net Weight:645g
Bracket Open size:210x63x56cm
Bracket Folding size:66.7x6.7x6.1cm

This product does not contain batteries.
Can be mounted on tripop or just placed on table/bench top .
It is mainly used to learn and experience the ability of the SCM to process data at high speed, and it can measure the flying speed of various projectiles. Such as: table tennis, badminton, bow, arrows, physical acceleration experiment, projectile free fall experiment, nerf playthings speed measurement, children's soft playthings, etc.
Aluminum alloy, stainless steel material, support rod, velocity measurement, energy measure, speed energy, looking through record and view average.

This product is made by DIY, with concise and practical, accurate and durability for the purpose.
The core components are industrial-grade package, stable performance, small error.
The utility model has the advantages of large effective induction area, convenient use and high sensitivity.
Strong adaptability to ambient light, indoor and outdoor can be used during the day and night.
Can save 36 sets of data, you can see the average.

Shipping and Handling
1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 
2. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 
3. Normally we have the goods in stock, we can ship it out in 1- 2 days. 
4. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 
5. if you make more than one order and the delivery address is the same, we will send them in one single package! 
unless you have a requirements on it! looking forward to your understanding!
6.Your payment does not include Custom duty. You will be responsible for Custom duty in some circumstances.

Feedback and Contact
1.If you are satisfied with our service and products, Please give us positive feedback. Your support means a lot to us.
2.If you have problem or question, Please contact us before leaving any type of feedback. We will help you solve it, and make you satisfied about it.
3.We will give you an answer in 24 hours, If you don't get the answer during this time, please kindly resend them.

Return Policy
1 We Support return and Change item Policy, But you need to pay shipping back cost and keep the item in good condition. 
2 The Below problems not apply to return and refund policy:
Damages due to incorrect operation, used and Worn.
3 If you have not received your parcel in 30 days, Please contact us at once, we will track it and solve it for you soon. 
4 We are professional Seller and we will help and keep more attention to your parcel until you got it and satisfied with it.  Please trust us and Confident With us！