Shuts off vehicle if you're separated from it. Easy to install. Mounts directly to console, connects to prewired harness. This Accessory is Designed to Fit the Following2019 Indy 850 XC 129in, 2019 Pro RMK 850 155in, 2019 Pro RMK 850 155 3in, 2019 Pro RMK 850 163in, 2019 Pro RMK 850 163 3in, 2019 Pro RMK 850 174in, 2019 Rush 850 Pro S, 2019 Rush 850 XCR, 2019 SKS 850 146in, 2019 SKS 850 155in, 2019 Switchback Assault 850 144in, 2019 Switchback 850 Pro S, 2019 Switchback 850 XCR, 2021 650 INDY VR1 129 , 2021 650 INDY VR1 137 , 2021 650 INDY XC 129 Launch Edition , 2021 650 INDY XC 137 Launch Edition , 2021 650 Switchback Assault 146 , 2021 850 INDY Adventure 137 , 2021 850 INDY VR1 129 , 2021 850 INDY VR1 137 , 2021 850 INDY XC 129 , 2021 850 INDY XC 129 Launch Edition , 2021 850 INDY XC 137 , 2021 850 INDY XC 137 Launch Edition , 2021 850 INDY XCR 129 , 2021 850 PRO-RMK 155 , 2021 850 PRO-RMK 155 3" , 2021 850 PRO-RMK 163 , 2021 850 PRO-RMK 163 3" , 2021 850 PRO-RMK QD2 155 2.75" , 2021 850 PRO-RMK QD2 155 3" , 2021 850 PRO-RMK QD2 163 3" , 2021 850 PRO-RMK QD2 165 2.75" , 2021 850 PRO-RMK QD2 174 3" , 2021 850 RMK KHAOS 155 , 2021 850 RMK KHAOS 155 3" , 2021 850 RMK KHAOS 163 2.6" , 2021 850 RMK KHAOS QD2 155 2.75" , 2021 850 RMK KHAOS QD2 155 3" , 2021 850 RMK KHAOS QD2 163 3" , 2021 850 RMK KHAOS QD2 165 2.75" , 2021 850 SKS 146 , 2021 850 SKS 155 , 2021 850 Switchback Assault 144 , 2021 850 Switchback Assault 146 , 2021 850 Switchback PRO-S , 2021 850 Switchback XCR ,