• Suitable for 0.25/0.9/2.0/3.0mm fiber, convenient, easy to operate.
• Three commonly used recognition test tones.
• It is small in size and easy to carry. It does not need to be replaced separately.
• Identify the direction of propagation of the fiber source and alert the audible alarm.
• LED backlight display for various environments without auxiliary lighting.
• Test sensitivity -40 dBm to 10 dBm.
• Battery low voltage indication.