Description:Long-life and reliable LED Indicator with Flashing Light and Buzzer.LED for energy saving and low maintenance cost. High brightness and loud buzzer for easy recognition.Screw-clamp for easy connection and strong conductivity. IP65 retarding shell.From electricity equipment to textile machines, printers, ships, mining machines and everything in-between, these panel mount lights are sure to give you a visual status cue of any indication signal, warning signal or signal.Simply drill an 16mm (5/8 Inch) hole, and use the included screw ring to secure this Buzzer Light to AC/DC 12 volt power source. Features:Rated Voltage: AC/DC 12VLens Color: RedModel: AD16-16SMMounting Hole Size: 16mm (5/8 Inch)Light Type: Flashing LEDSound Type: IntermittentRated Current: Not More Than 20mABrightness: Over 100cd/m2Continuous Working Life: Over 30000hWithstand Voltage: 2.5KV for 1 MinuteInsulation Resistance: Over 2 MilliohmProtective Degree of The Shell: IP65Overall Size: 55 x 18mm / 2.17inch x 0.71inch (L*Head D) Package Content:2pcs x Indicator Light