Efficient Voltage & Resistance Measurement: The TS457 entry-level voltage and resistance tester accurately displays both voltage and internal resistance values, allowing users to conveniently record measured resistance values and delete recorded data as needed, streamlining test workflows. Fine-Tunable Display Value: With voltage and resistance display value adjustable functions, the tester allows users to calibrate readings to improve the display accuracy and meet the accuracy requirements of the user. Display Backlit & Standby Time Management: Supports standby time adjustment and display backlight adjustment to maximum visibility in ambient illumination conditions while conserving energy, helping to extend battery lifespan and enhance the user experience. Versatile Configuration & Reset Functions: Supporting screen display rotation adjust and factory reset function, the tester offers high flexibility in instrument operation, ensuring adaptability to different user preferences and troubleshooting needs. Automatic Shutdown Function: Offering automatic shutdown time setting function, with a default time of 2 minutes, the tester helps conserve battery electricity while ensuring flexibility to adapt to individual user preferences and work scenarios. Name:Voltage Internal Resistance Tester Voltage measurement ranges:0.001V-45.00V Internal resistance measurement ranges:0.1mohm-6.99ohm Type:B:With Kelvin clip Colour:Gray Material:ABS Size:79x42x28mm/3.11x1.65x1.10in Package Contents: 1 * voltage internal resistance test 1 * Kelvin clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.