Specification: Input: AC 110-240V, 50-60Hz, Output: DC 5V 1A, Cable length: 1.8M. (The output is 5V, not suitable for 4.3V.) 5V Charger Compatible with Norelco qp2724 mg5910 mg9525 mg7910 MG9510 MG9520 PQ888 PQ88 Not applicable to QP2520, QP2630, HQ8505, HQ850, HQ840, QP6510, QP6520! The charger cord is equipped with multiple safety features, including overcurrent protection, overvoltage protection, short circuit protection, and overtemperature protection. Specification: Input: AC 110-240V, 50-60Hz, Output: DC 5V 1A, Cable length: 1.8M. (The output is 5V, not suitable for 4.3V.)