Cordless Circuit Tester Buzzer/LED 3-28V

• Suitable for testing DC circuits with voltages between 3 and 28V.
• 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 two long-life N-sized batteries.