Specially designed to quickly and accurately check the performance of anti-static wrist straps used in electronics assembly, repair, and ESD-safe workstations. Verifies proper grounding and continuity of wrist straps before work begins, helping to prevent electrostatic discharge damage to sensitive components such as ICs, PCBs, and microchips. Features intuitive status indication (pass/fail) so operators can instantly confirm that their wrist strap and cord are functioning within the safe resistance range for ESD protection. Operates on a standard 9V battery, making the tester portable and easy to place at workstation entrances, ESD gates, production lines, or service counters without additional power supplies. Reliable ESD wristband checker that enhances safety and efficiency in electronic work environments. Digital Anti-Static Wrist Strap Tester: Reliable ESD wristband checker that enhances safety and efficiency in electronic work environments. Clear digital indication: Features intuitive status indication (pass/fail) so operators can instantly confirm that their wrist strap and cord are functioning within the safe resistance range for ESD protection. 9V battery powered convenience: Operates on a standard 9V battery, making the tester portable and easy to place at workstation entrances, ESD gates, production lines, or service counters without additional power supplies. Color: Black Material: plastic Package Contents: 1*Electrostatic Ring detector 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.