Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Operation life (reliability) test - Under no load, After 10 million times at a speed of 10 to 15 times per minute, The total resistance value changes less than equal initial value + 20%. Noise: less than 68mV. Type:6PCS for Hall Electromagnetic Joystick Colour:Yellow & Green Material:Plastic+Metal Package Contents: 6 * Hall Electromagnetic Joystick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.