Directed Electronics Viper Backup Battery System

Enhance your vehicle's Viper alarm system with this battery backup system that powers the security system even if your vehicle's battery becomes disconnected. Installation Professional installation is strongly recommended for this product.Additional parts and labor are usually required - please contact your local Best Buy store for exact pricing. Follow these steps for installation: Purchase your product You will receive an e-mail confirming your purchase Find your local Best Buy store Call to schedule an appointment Note: Please be sure to print and bring your confirmation e-mail with you to the store at the time of your installation