Zebra ET50/55 Tamper Proof Bracket with Accelerometer HardwareThe accelerometer detects movement when the driver is operating a vehicle. As it senses motion, it triggers the VuLock software to engage in screen blanking, disabling computer use.- Prevents operators from tampering or disabling the screen blanking equipment- Must use IPC/VuLock software to enable screen blanking- Easy-to-install bracket that attaches to the back of the docking station