The OKY3426 by OKYSTAR is a capacitive touch sensor with one channel, an operating voltage of 3.3 to 5.5VDC, and dimensions of 15.5 x 23.5mm. It has a wide sensitivity range and fast response time, making it suitable for use in various touch control systems. It also boasts a high signal to noise ratio, ensuring reliable performance even in noisy environments. The device is capable of detecting single-point, swipe, and double-tap events. It is easy to optimize and calibrate, making it ideal for use in smart devices.