Feature: 1. Both front and back can be used as touch surfaces, which can replace traditional touch buttons 2. 4pcs M2 screw positioning holes for easy installation 3. Light touch contact type touch sensor, and then touch sensor for a long time, the table lamp can be bright and long 4. Green LED power indicator, light up when power is on 5. Adopted of high quality electronic components, and accuracy process, ensure for the durability Specification: @font-face{ font-family:"Times New Roman"; } @font-face{ font-family:"宋体"; } @font-face{ font-family:"Calibri"; } p.MsoNormal{ mso-style-name:正文; mso-style-parent:""; margin:0pt; margin-bottom:.0001pt; text-align:left; font-family:Calibri; mso-fareast-font-family:宋体; mso-bidi-font-family:'Times New Roman'; font-size:12.0000pt; } span.msoIns{ mso-style-name:""; text-decoration:underline; text-underline:single; color:blue; } span.msoDel{ mso-style-name:""; text-decoration:line-through; color:red; } @page{mso-page-border-surround-header:no; mso-page-border-surround-footer:no;}@page Section0{ } div.Section0{page:Section0;}Condition: 100% Brand new Item Type: Touch Sensor Module Power Supply: 2~5.5V DC Screw Positioning Hole: 4 x M2, 2.2mm Control Interface: A total of 3 pins (GND, VCC, SIG) GND is ground, VCC is the power supply, and SIG is the digital signal output pin. Power Indicator: Green LED, it will light up when it is powered on correctly Touch Area: The inner area of the icon similar to the fingerprint, which can be triggered by a finger touch. Minimum valueTypical valueMaximum valueUnitUnit supply voltage235.5VOutput high level 0.8 VOutput low level 0.3VOutput pin sink current 8 mAOutput pin pull current -4 mAResponse time (low power mode) 220mSResponse time (fast mode) 60mSSize24 x 24 x 7.2mm / 0.9 x 0.9 x 0.3inmm/inWeight2g / 0.07ozg/oz Package List: 10 x Touch Sensor Module