30-9999fps Ballistic Precision Chronograph Bullet Arrow Velocity Shooting Speed

Description: Product Description Features:Aluminum alloy, stainless steel material, support rod, speed measurement, energy measurement, speed energy, scrolling records and viewing average values.This product is made by DIY, with the purpose of being simple, practical, accurate and durable.It is mainly used to learn and experience the ability of single-chip microcomputer to process data at a high speed, and can measure the flight speed of various projectiles. Such as: table tennis, badminton, bow and arrow, physical acceleration experiment, free fall experiment of projectile, nerf toy speed test, childrens soft toy, etc.The core components adopt industrial-grade packaging, with stable performance and small errors.This product has accurate speed for projectiles with a speed of 0-3000 m/s.The utility model has the advantages of large effective sensing area, convenient use, high sensitivity and the like.It is highly adaptable to ambient light and can be used indoors and outdoors at day and night.You can save 80 sets of data, and you can see the average value.Specifications:Voltage: DC 6VBattery (not included): 4*AA batteryWorking temperature: -30℃-60℃Accuracy: test error ≤0.5%Measuring range: 0-3000M/S (FPS range 30-9999)Standard tripod can be installedItem size: 330 * 80 * 44mm / 12.99 * 3.15 * 1.73inItem weight: 436 grams / 0.96 poundsnotes:This product is infrared radiation type, the light source has been integrated in the machine, no external light source is needed. Recommended for low-light environments. The darker the ambient light, the better the machine performance. Under outdoor use and strong light conditions, a hood must be added.When measuring the velocity of the projectile at a higher speed. Please take appropriate protective measures. In order to prevent the projectile from rebounding after hitting the machine and causing damage.When installing, pay attention to the marks on the left and right sides of the light bar, and the light bar with lights faces down.Package includes:1*Speedometer3*Heat shrink tube light bar4*Pure copper rod1*Screwdriver Payment Shipping Returns Contact Us We accept PayPal via eBay Secure Check-Out .Payment is expected within 7 days of auction close. Unpaid Items will be forfeited per eBay .Immediate payment needs to be processed for items with Add to Cart option so that any promotional discounts can be applied to your order immediately. 1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.2.Items will be shipped within 1-3 business day when we received payment.3.Delivery time depends on destination and other factors;4.International buyers please note:a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.b.Please check with your countrys customs office to determine what these additional costs will be prior to buying. We offer full refund 100% from the price you buy.You can return item within 30 days after items received. We do our best to value every customer a 5-star positive eBay experience by working hard and professional. We also provide accurate information for our products, prompt communication and reasonable and fair price (the balance between price and quality) to our customers. We are welcome and happy if you have any issues, problems or suggestions. Please feel free to email us thru eBay.If there is no response after contacting us several times, please check your email spam folder.Please DO NOT Leave us Neutral or Negative Feedback without telling us in advance. We will do our best to help you to resolve your problems.We reply any email messages within 1 business / working days; Our Business hours: Mon-Fri 9:00-18:00, UTC/GMT +8 hours. Payment We accept PayPal via eBay Secure Check-Out .Payment is expected within 7 days of auction close. Unpaid Items will be forfeited per eBay .Immediate payment needs to be processed for items with Add to Cart option so that any promotional discounts can be applied to your order immediately. Shipping 1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.2.Items will be shipped within 1-3 business day when we received payment.3.Delivery time depends on destination and other factors;4.International buyers please note:a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.b.Please check with your countrys customs office to determine what these additional costs will be prior to buying. Returns We offer full refund 100% from the price you buy.You can return item within 30 days after items received. Contact Us We do our best to value every customer a 5-star positive eBay experience by working hard and professional. We also provide accurate information for our products, prompt communication and reasonable and fair price (the balance between price and quality) to our customers. We are welcome and happy if you have any issues, problems or suggestions. Please feel free to email us thru eBay.If there is no response after contacting us several times, please check your email spam folder.Please DO NOT Leave us Neutral or Negative Feedback without telling us in advance. We will do our best to help you to resolve your problems.We reply any email messages within 1 business / working days; Our Business hours: Mon-Fri 9:00-18:00, UTC/GMT +8 hours. powered by

Price: 65.99 USD

Location: Shenzhen

End Time: 2024-08-17T01:34:36.000Z

Shipping Cost: 3.5 USD