Features: brand new and high quality Automatic identification greatly improves your test efficiency. This multimeter can automatically identifies the tested parameters and choose their required range. Color LCD display greatly enhance the reading experience, the lighted up numbers & letters with black background make it very easy to read, even in bright sunlight or poor light. Durable protective for case for protection against shocks, friction and bumps. This for case is detachable and easy to replace. Measuring frequency and duty cycle. SZ17 is a 6000 counts true RMS auto-ranging digital multimeter with 3 kinds of display. Specifications: Material:ABS Color:Blue/Red Size:14.56x7.64x3.8cm/5.73x3x1.49inches for DC voltage range: 0~999.9V AC voltage range: 0~750V for DC current range: 0~999.9mA AC current range: 0~999.9mA Capacitance range: 0~9.999mF Maximum display: 6000 counts Battery type: AAA (not included) Wire quality: PVC/brass Package Includes: 1 Set SZ17 Multimeter Tester(Advanced Configuration) note: Please allow 0-3mm errors due to manual measurement, make sure that you do not mind before you order.