Working voltage:Button Cell, AA/AAA Battery, DC1.5V~24V/AC 110V-240V power Functions: Constant light, ... sensing Product's Name: Backpack Clasp inverter(AG13 batteryX3pcs)Model:PYL-ELI-IBCFBattery:AG13 Batteryx3pcs(=4.5VDC)Size:60MMX35MMX22MMFunction:Constant light&FlashDrive ... ,Pet collar etc. EL Driver,EL INVERTER(Backpack Clasp inverter(AG13 batteryX3pcs))