Description Connecting with mobile phone, support for Android and for iOS system. rable body, light weight and portable to carry outside, handheld device. LCD screen with back light can clearly display testing data in day and night. Suitable for collect multiple samples data such as BB, water balls, beads steel balls and so on. Feature: Support free fall test, 8 languages, Blutooth connection, professional test, large capacity battery, Simple picture and easy operation. Specifications: Material: plastic, metal. Size: 13*11*6cm. Color: show as pictures. Product chip:UNR 372U. Charging voltage:DC5.0v. Bluetooth version:2.0. Energy test range(J): 0-999J. Shooting speed test range: 0-120 balls/s. 1 Meter high horizontal range: 0-800meters(about 0-2625 inches). First speed test range(FPS): support free fall test(zero first speed). Input range of test ball weight: 0.01- 20g. Standby power off time: Customizable. Input range of test ball diameter: 0.01-20mm. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package include: 1 * WST-X01 Speed Tester. 1 * USB Cable. 1 * Tripod.