Check the listing for details. Competition Electronics ProTimerBT Shot Timer Blue, CEI-4720. Color: Blue, Condition: Used. Listed at 179.99 USD. We have taken all the best parts of our Pocket Pro II design and added improvements to make the ProTimerBT the most sophisticated timer on the market. Now you can get more useful practice session information with our simple built-in user interface, or the PTLink mobile app. You have the flexibility to collect and review all your shot data at the range right from the timer display and import it to the PTLink app at any time. You can even add notes and attach a photo of your targets to each shot string. Requires one 9volt alkaline or lithium battery for operation (not included) Features:Low power BLE Bluetooth connectivity for connection to mobile devices and the FREE PTLink app to catalog your range session dataChange timer settings from the PTLink app. Makes setting up the timer very simple, you can even sync the date/time setting with your phone!Bluetooth Integration with Android PractiScore apps (iOs coming soon!)ProTimerBT firmware updates/upgrades for FREE via the PTLink app. That’s right, you can use the PTLink mobile app to get notifications and install future upgrades to the timerBuilt-in 50 string memory and on-screen review, numbered in chronological order with date/time stamp. Stores all shot string data including hit factor scoring infoBuilt-in Hit Factor (points per second) scoring on-screen, after shooting a stage you can navigate to the scoring screen and enter your “points down” to get your hit factor. Once you have entered your total stage points, it is carried over to new strings until you change itUp to 5 Par time settings for multiple beeper alerts at specified time intervalsIncreased sensitivity capability that can pick up the snap of a fingerStart signal LED, bright white 850mcd LED can be used for an alternative start signal. Excellent for hearing impaired or a private practice session. This can be disabled via the menu settings3.5mm headset jack with adjustable volume, now you can use a set of earbuds (not included) instead of the beeper so others don’t hear the timer2 year warranty against defects in material and workmanship, and a 1/2 retail price repair guaranteeOver 30 years of experience in shot timer design and manufacturingReplaceable Alkaline or Lithium 9 volt battery power (not included) for 20+ hours of operationQuality accessories and replacement partsMade in the USA quality and service at a reasonable price SPECIFICATIONS: Operating Temperature: 30-110 degrees Fahrenheit Accuracy: +/- .01 seconds Max # of Shots Per String: 70 Max # of Strings in Memory: 50 Max # of Rounds per Minute: 1800 Max # of Par Time Beeps: 5 Start Delay Range: .1 to 9.90 seconds Backlight On Time Range: 0-99 seconds Beeper Output: 1.5 Khz, 100dB, 200 msec duration LED Output: 850 mcd, 200 msec duration Max Time Limit: 199.9 seconds before wraparound Average Battery Life: 25 hours of operation Power Consumption: See page page 14 of the operating manual Battery Type: 9 volt alkaline or lithium Bluetooth: BLE, min 50ft range, compatible with Android 5.0 and later