The Circuit Tester from Laser Tools® features a cold cathode, 'Nixie' display which allows for clear visibility in all light levels.

Features and Benefits
• No batteries required, tester is powered from the testing source
• Suitable for use on 12V, 24V and 48V operating systems
• 1.8m cable offers manoeuvrability
• Stainless steel probe resists corrosion for a longer service life
• Gives a clear visual and audio signal when a negative connection is found