ITEM NAME:2 Pcs Red Green LED Buzzer Beep Indicator Light 22mm AC 220V AD16-22SM J8R3 2 Pcs Red Green LED Buzzer Beep Indicator Light 22mm AC 220V AD16-22SM J8R3 For electricity, telecommunications, machine tools and other equipment as directed in the signal line, notice the signal, accident signal and other indicating signal. Adopts LED lamp with the characters of long life and low energy consumption, its concealed terminal is both safe and creditable. Product Name : BuzzerIndicator LEDLight Model No. : AD16-22SM Voltage /Current : AC 220V Pin Number : 2 Material : ABS Light Color : Green, Red Mount Hole : 22mm/ 0.87inch Size : 29 x 65mm/ 1.1inch x 2.6inch(D*H) Weight : 37g PakcageContent : 2 x BuzzerIndicator LED Light ( Green + Red) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.