Check the listing for details. Precision Premium Ballistic Chronograph Bullet Bow Measuring Velocity Shooting. Color: Black, Condition: New. Listed at 60.39 USD. eBay eBay Precision Premium Ballistic Chronograph Bullet Bow Measuring Velocity Shooting Specification: Working Voltage: DC6V (4 AA batteries) Working Current Ambient Temperature: -30Ceisius to 60Ceisius Accuracy: measurement error ≤0.5% Measuring range: 0-3000M/S (30-9999FPS) Size: 330mmX80mmX44mm Standard Edition 80 sets of data (four poles + 3 light bars) Feature: Can be mounted on tripop or just placed on table/bench top ( table/bench/or tripod included) The Prochrono Digital Chronograph measure the velocity of almost anything that shoots with a large shooting area. Durable plastic light diffusers included. Accurate velocity measurement for rifles, pistols, arrows and shotguns. Easy to set-up and use with a HUGE shooting area. Store 80 shot strings.Review through each velocity and shot data .. Delete an individual shot or entire string with the touch of a button. Quality Electronics, years of refinement yield a sensing design that is compatible with a wide variety of loads and light conditions. The velocity range is 21-7,000 feet per second and the temperature range is 32-100 degrees Fahrenheit. Four AA- battery is required, not included. The device is accurate with +/-1% of measured velocity, or better. Packing Included: 1pc of Ballistic Premium Precision Chronograph (without battery) 4 poles + 3 light bars NOTE: 1.lmport duties, taxes and charges are not included in the item price and the freight. These charges are the buyer's responsibility. 2.Please check with your country's customs to determine what these additional costs will be prior to bidding/buying. 3.Please leave your valid phone number when you make order, otherwise we can't guarantee the package would arrive smoothly. RETURN: 1.Return accepted in 30 days after you receive the item. The buyer need to affordthe return postage fee who also need to return it to our designated place. 2.Return package must be in the original packaging, item must be in new condition.Missing parts or any damaged by the buyer will not give any return. 3.Within warranty period, all repair parts will be free, but the buyer need to pay for the freight.