* Highly sophisticated inductance sensor. * Four wave filtering methods : RC, PC-RC, GAUSS and D-P. * Built-in lithium ion rechargeable battery and control circuit with high capacity. * Small in size, light in weight and easy to use. *Manual or automatic shut down. * Can memorize 7 groups of measurement results and measuring conditions for later use or download to PC. * Metric /Imperial Conversion. * Use “USB data output” and “RS-232 data output” to connect with PC. * Provide “Bluetooth ™ data output” choice.