ITEM NAME:5 Pcs 4 Terminals Latching Type Green LED Lamp Round Push Button Switch DC A9G1 5 Pcs 4 Terminals Latching Type Green LED Lamp Round Push Button Switch DC A9G1 Item Name : Push Button Switch; Poles : SPST; Action Type : Latching Type Switch Working Voltage : AC 250V 3A; Lamp Voltage : DC 3V; Lamp Color : Green(LED Lamp) Widely used in industrial controlling circuits for controlling in electromagnetic starter, contactor, relay and other electric circuits. Easy to install with panel mouting hole in 15mm thread diameter. Built-in indicator light for convenient and safety use. Switch Color : Black&Green; Pin Number : 4; Button Cap Diameter : 12mm/ 0.47" Mounting Thread Dia. : 15mm/ 0.6"; Total Size : 18 x 30mm/ 0.71" x 1.2"(D*H); Material : Plastic, Electronic Parts Weight : 24g;Package Content : 5 x Push Button Switch 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.