1AC 220V Signal indicator light, high sensitivity and exquisite workmanship, engineered from high quality PC shell. 28mm / 0.31in mounting hole diameter design, clear luminous part and durable to use, easy and convenient for installation. 3XD81 Model signal light, having excellent and stable performance, widely applications to meet your demands. 4Plug connection mode, wearresistant and dustproof, strong hardness, energy saving and low maintenance cost. 5Special designed for signal indicating use, there are 3 different color light available for you to choose. Item Type: Indicator Light Material: PC Model: XD8-1 Operating Voltage: AC 220V Hole Diameter: Approx. 8mm / 0.31in Connection Mode: Plug Rated Temperature: T125 Purpose: Signal indication 10 x Indicator Light