The E3Z-LL66 is a distance-setting compact laser Photoelectric Sensor with built-in amplifier. It has red semiconductor laser diode light source. It provides surge suppressor and output short-cut protection, output short-circuit protection and power supply reverse polarity protection and mutual interference prevention. The product lineup includes models with distance setting without influence of color. The maximum ambient operating temperature of 55°C and waterproof construction in E3Z class.