The SP Diagnostics key fob tester is an invaluable tool to allowquick and reliable testing of remote key fobs for most vehicles on the market today. The 433 MHz  and 868 MHz, plus Infra Red detection give reliable and accurate indication of reception of the correct frequency. The SP Diagnostics Key Tester detects specifically these ranges so thatany background noise from mobile phones and strip lights to not give false readings.

A great time saver giving you rapid diagnostics on troublesome intermittent or flat batteries. This is a great product to have along side the ACR4 or SPi with the iKeys application to ensure that old or new keys are working correctly prior to programming in to the vehicle.

For more information see: SP Diagnostics Website