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 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 various ambient illumination conditions while conserving , 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., Weight: 0.20282528104 pounds, Manufacturer: RANJOVER