VDO 1381 Digtal tachograph Universal ( Non Configured ) V3.0 12/24 Volt with 120 Ohm Resistor . If configuration is required please supply vehicle make, model and IMS setting.NC 800 VDO 1B Digital Tachograph (with resistor)SKU: NC800£465.00PriceVehicle ModelSelectIMS (Independent Movement Sensor) Post 1.10.12SelectQuantity*Add to Cart