Functions & Features

FSK/DTMF compatibility
DTMF meets GB/T15279-94
Dialing number display, caller ID display
Checking wire pairs function
Low voltage warning, auto power off and energy-save design
Compact & simple

Specifications

DC voltage: range: 0~260V, error: +/-5%
Insulation test range: 0~40M Ohm display in two levels
Ring up user distance: <= 2Km
Line break test distance: <= 2Km
Monitor resistance: >=1M Ohm
Incoming telephone number display is compatible with FSK/DTMF
Dialing index meets GB/T15279-94 standard
Battery: Chargeable 9V Ni-Mh battery
Dimension(mm): 232*73*95
Weight: 0.5kg