Please note: Not compatible with Philips QP2724, QP2834, QP4631, QP1924, QP6531, QP1424, QP1624, QP6510, QP2630, QP2530, QP6530, QP650, QP6505, X3001, MG7910, MG5910, MG7910 4.3V Charger: Only compatible with Philips Norelco One Blade QP2520/90, MG3740/40, QP2520/70, QP2520/30, P/N: A00390 shavers (NOTE: Since the voltage of the new version has been adjusted, Please check that the interface in pictures is consistent with your razor. Our product is only compatible with the 4.3V QP2520.) Product parameters: Input: AC 110-240V, 50-60Hz, Output: DC 4.3V 70mA, Cable length: 5 feet. Please note: The output is 4.3V, not suitable for 5V(This product is only compatible with philips norelco oneblade and is not original） Smart LED Light: Charger adapter is equipped with an indicator light, The LED light does not show when plugged into the socket. The red light will only light up when connect the shaver and start charging. The LED light will go out after the work is completed. The red is mild and not dazzling, it is a good companion for your life Safety: Tested, approved and certified by FCC, CE and ROHS, and designed with safeguard features against over voltage, over current, short circuit and over-temperature, and its low energy（NOTE: If using in the bathroom, make sure the shaver and adapter are dry.) BENSN 4.3V Shaver Charger Replacement: Compatible with Philips Norelco One Blade QP2520 / 90, MG3740, QP2520 / 70, QP2520 / 72 Hybrid Electric Trimmer and ShaverPlease note that this charger will not compatible with Philips OneBlade QP2530, QP2630, Pro QP6510 and QP6520