J-ZMQER 4.3V DC Charger Power Adapter Compatible with Philips Norelco Multigroom Series 3100 QG3330 【Input】: AC 100-240V 50/60Hz. 【SAFETY】: With the international quality certification authority, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating. 【Kindly Note】:Please make sure that you choose the right device before purchasing. J-ZMQER 4.3V DC Charger Power Adapter Compatible with Philips Norelco Multigroom Series 3100 QG3330