E65-SM series, product features: Bright displays for voltage, output and TargetLockT, TargetLockT simplifies setup and ensures optimal operational reliability. The Perfect Prox® models detect target objects of different colors at the same range and ignore background objects. DC models have PNP and NPN outputs. The visible measuring beams of all models simplify installation and alignment of the light sensors. Compact design for space-saving installation. Various mounting options, including standard 18 mm thread. Short circuit, overload and reverse polarity protection. The light sensors are available in through-beam, polarized retro-reflective, diffuse reflective and with background suppression Perfect Prox®.