EPG charger for SONY NPFM30 NP-FM Series Battery and Model DCR-TRV11 DCR-TRV17 DCR-TRV18 DCR-TRV22E DCR-TRV22K DCR-TRV25 Collapsible plug on the back of wall charger. Built in battery protection and fault detection. Product by EPL the Input Voltage: 110-240v for worldwide use. After fully charged power cut-off automatically, also this charger can prevents overheating This charger only use for the battery, cannot directly charge from camera or camcorder Charger indication Green lights for standby, Red is for charging.