Features:Work on Charge Detector (CD) technology.Capacitive switches offer infinite life time due to its solid state nature.Key operation through all kind of dielectric material like Wood, Glass, Acrylic etc.Capacitive switches are very much suited for harsh environments.Backlit option possible.Also available with Computer compatible interface option.Interface : UART I2C RS 232. Common Features:Pcb : Glass Epoxy PCB FR4 Grade in thickness ranging from 0.4 mm to 3.2 mm ( Tin & Gold Plating ).Overlays: Polycarbonate - Lexan; Polyester - Autotex.Leds: All kind of Leds with various colors and shapes i.e. Through hole (Dia 3mm to 10 mm) & SMD (1206, 0805, and 0603).Connector: Berg strips, FRC, Relimate, D Type, SMD etc.Adhesives: Industrial Grade from 3M, Avery Dennision.ESD & EMI protection.IP Protection: IP 54 & IP 67.