Cordless Circuit Tester Buzzer/LED

Suitable for testing DC circuits with voltages between 3 and 28Volts. No earth clips to get tangled - simply contact the wire to be tested and touch your finger on bare metal ground to get a reading. Tester illuminates LED, buzzes and vibrates on contacting live wire. Computer-safe for use around delicate engine management systems. Supplied fitted with 2 x long life N-sized cells.