DESCRIPTION Easier Controlling with the Apollo Thumb Throttle Experience smoother acceleration when you have the easy-to-use Apollo thumb throttle installed in your electric scooter. This handy accessory is the perfect supplementary part for rider's who prefer thumb control rather than the standard trigger throttle. It's also quite easy to install. You'll just have to remove the default trigger throttle and slide the thumb throttle set in its place. Installation only requires basic tools and just abote 15 minutes of your time. From then, it's effortlessly smooth riding for you on your Apollo scooter! FEATURES & SPECS APOLLO THUMB THROTTLE COMPATIBILITY all early models of Apollo scooters (except Phantom) Dragon Raptor Zero scooter models INCLUSIONS New LED Display (note: not Apollo brand) Compatible with all early models of the Apollo scooters (except Phantom) Includes new LED Display Plug-and-play design takes less than 15 minutes to install INSTRUCTIONS