Power supply voltage(VCC): 2.0, 3, 5.5 V.
Output high VOH: 0.8VCC V
Output low VOL: 0.3VCC V
Response time (touch mode) : 60 mS
Response time (low power mode) : 220 mS
Can replace the traditional touch of a button
Four M2 screws positioning holes for easy installation
Onboard TTP224 capacitive touch sensor IC 4 keys
4 board-level status indicator
Working voltage: 2.4V-5.5V
Advanced Pins breakout, so that the output mode and working mode selectable.
Low power selection