After-sales guarantee:Within 30 days of purchase, we offer a no-questions-asked replacement or full refund guarantee, If you have any questions about the product or something is unclear, please contact us via QA or email in time. Fit for Philips Norelco HQ8505, 7000 7100 7200 7300 7400 7500 7600 7700 5000 5100 5200 5500 5600 5700 3000 3100 3500 4100 4200 4500 6100 8000X 8500X 8900 9300 9700 Series Shavers, most Norelco Aquatec, Arcitec and Multigroom Shavers, Razors and Trimmers. Compatible part numbers HQ8505 AT810/41 AT830 BT5210/42 BT7215/49 PT724/41 PT730/41 QG3364/42 QG3330 QG3330/60 QT4018/49 S7370/84 S9311/84 S9721/84 YS524/41 HQ-8505, NL9206AD-4, 272217190075, 272217190076 272217190137. Fit for Philips Norelco 7000 / 5000 / 3000 Series, Grooming Kit Bodygroom, BeardTrimmer, Beard, SensoTouch, Precision, Spectra and Sensotec, SmartTouch XL & Speed XL, Quadra, Cool Skin, new generation Cool Skin, Style Shaver, PowerTouch, Hair Clipper, Arcitec. QG series, BG series, HQ series, RQ series, XL series, XLCC series, X series, HS series, QC series, QT series, QS series, AT series, PT series. Fit for Philips Norelco HQ8505 7000 5000 3000 Series mg5750 mg7790 Electric Shaver. Safe use: Has CE/ FCC / RoHS certification, automatic over-current?over-voltage?overload?short-circuit protection. Manufactured from high-quality materials, it has several smart features that prevent wrong voltages from shorting wires and overheating inside. SPECS:Input: 100-240V 50-60HZ Output: 15V 0.36A 5.4W, Line length: 3.3ft.