Capacitor discharge : current discharge.Capacitor Capability: V1.0 Capacitor discharge pen can be used on/below 680uF/450V capacitor discharging, generally used on small home appliance repair.Discharge voltage scope: AC 8-380V/DC 12-540V.Discharge time: less than 4 seconds.The pen tips regardless of the positive and negative poles, the positive and negative poles can be connected freely. Just connect to the two poles of the capacitor.Applications:For discharging household appliances / digital camera / camcorder / TV etc AC/DC voltage or storage capacitorColour:blackMaterial:Metal + PlasticPackage Contents:3 x V1.0 High Voltage Capacitor Discharge Pen with LED IndicatorPls. note:Once the LED indicator light off, you need to continue discharging for about 5 seconds to remaining has been discharged over.Only the above package content, other products are not included.Note: Light reflection 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.