"1.?Stand?approximately 160cm. in height 50 cm.scale accuracy of 1 mm.
2. 2 Round metal balls with a diameter of 12 mm.
3. Bag for metal balls of free-falling apparatus
4. Plummet
5. Stopwatch.
5.1 LED screen for display of 4-digit numbers
5.2 The LED shows the unit of time measurement, automatic
5.3 The timer can measure 0~999.9 seconds
5.4 2 light sensors to detect of motion. (Photoelectric Sensor)
5.5 Fuses for the protection of short-circuit 1 A.
5.6 Uses electricity 220 Volts 50 Hz.
5.7 1 set of magnetic switch
5.8 comes with 7 functions to measure velocity, acceleration, collision, and the time that can be used with the air track
5.9 Capable of memorizing up to 20 data."