Vipers elegant new Responder LE transceivers mark a giant leap forward in 21st century remote start and an evolutionary milestone for the keychain remote. These slender & sophisticated 2-Way remote controls feature a clean sleek ergonomic industrial design made to fit the users hand comfortably enabling effortless and intuitive single-handed operation as Brilliant LEDs confirm your commands.You will love the way the Responder LE remote feels in your hand and the many state-of-the-art system features you can access with ease starting with the new TempCheck feature which displays the internal cabin temperature while remote start is engaged.Here are some other features Viper has added to make Responder LE a milestone in 2-Way remote start:Extreme 1 mile 2-Way rangeSimple new universal iconsLonger battery life- 3 to 6 monthsTempCheck using Brilliant LEDs-check the vehicle temperature using the hidden LEDs on the remoteSoft Touch surfaces for comfortable tactile sensationManual Transmission remote start enabledResponder LE will start the engine with the push of a button from the comfort of either home or office and confirm all commands with Brilliant LEDs. And it will do it all with unparalleled elegance style and intuitive one-handed operation. Thats Responder LE!