Automatically shuts off after 5 minutes of inactivity to conserve battery; crafted from high strength for long lasting in electrical work Ideal for electricians and home repairs, suitable for industrial, construction, or household wiring diagnostics and maintenance tasks Includes 11 screwdriver bits with locking systems for secure attachment and alignment, ensuring bits stay firmly in place during use Features intelligent digital display for accurate circuit testing; simply touch the sensing button and moving along wires red screen indicates continuity while green shows breakpoints without pressing required Measures air conditioning Voltages by touching the probe to circuits ( data auto locks) and includes built in flashlight for low light environments, enhancing functionality, Manufacturer: ERRORY