It can quick check telephone line fault with high safety & multi-functions capability.
Minimum Order Quantity: 1 Unit/Units
Supply Ability: 1000 Unit/Units per Year
Payment Terms: L/C,D/A,D/P,T/T
Contact SupplierPackaging Detail: carton box
Delivery Detail: 3-4 weeks
1. Telephone line fault checking
2. ISDN/ADSL identification
3. Hand free function (two speak ways, loudspeaker)
4. Calling number displaying
5. One Key override lockout function
6. Tone/pulse function
7. High voltage alarm
8. Low voltage warning, automatic power off and energy-save design
9. Memory key (10 groups of 18 digits)