Shaver Series, 5000 Replacement Shaving Head, Use For #S5370/84, #S5370/81, #AT790/40, #PT730/41, #AT810/41 & #PT734/41, Have An Inbuilt Replacement Reminder In The Form Of A Shaving Unit Symbol, This Symbol Will Light Up & Indicate You When To Replace Shaving Heads, After Replacing Shaving Heads, You Can Reset The Replacement Reminder By Pressing The On/Off Button For More Than 7 Seconds, Otherwise, Replacement Trigger Will Turn Off Automatically After 9 Successive Shaves.
